Nerve Endings
Branch-like terminations of NERVE FIBERS, sensory or motor NEURONS. Endings of sensory neurons are the beginnings of afferent pathway to the CENTRAL NERVOUS SYSTEM. Endings of motor neurons are the terminals of axons at the muscle cells. Nerve endings which release neurotransmitters are called PRESYNAPTIC TERMINALS.
Sciatic Nerve
A nerve which originates in the lumbar and sacral spinal cord (L4 to S3) and supplies motor and sensory innervation to the lower extremity. The sciatic nerve, which is the main continuation of the sacral plexus, is the largest nerve in the body. It has two major branches, the TIBIAL NERVE and the PERONEAL NERVE.
Nerve Fibers
Peripheral Nerves
The nerves outside of the brain and spinal cord, including the autonomic, cranial, and spinal nerves. Peripheral nerves contain non-neuronal cells and connective tissue as well as axons. The connective tissue layers include, from the outside to the inside, the epineurium, the perineurium, and the endoneurium.
Optic Nerve
The 2nd cranial nerve which conveys visual information from the RETINA to the brain. The nerve carries the axons of the RETINAL GANGLION CELLS which sort at the OPTIC CHIASM and continue via the OPTIC TRACTS to the brain. The largest projection is to the lateral geniculate nuclei; other targets include the SUPERIOR COLLICULI and the SUPRACHIASMATIC NUCLEI. Though known as the second cranial nerve, it is considered part of the CENTRAL NERVOUS SYSTEM.
Synaptosomes
Pituitary Gland, Posterior
Neural tissue of the pituitary gland, also known as the neurohypophysis. It consists of the distal AXONS of neurons that produce VASOPRESSIN and OXYTOCIN in the SUPRAOPTIC NUCLEUS and the PARAVENTRICULAR NUCLEUS. These axons travel down through the MEDIAN EMINENCE, the hypothalamic infundibulum of the PITUITARY STALK, to the posterior lobe of the pituitary gland.
Mechanoreceptors
Neurosecretion
Trigeminal Nerve
The 5th and largest cranial nerve. The trigeminal nerve is a mixed motor and sensory nerve. The larger sensory part forms the ophthalmic, mandibular, and maxillary nerves which carry afferents sensitive to external or internal stimuli from the skin, muscles, and joints of the face and mouth and from the teeth. Most of these fibers originate from cells of the TRIGEMINAL GANGLION and project to the TRIGEMINAL NUCLEUS of the brain stem. The smaller motor part arises from the brain stem trigeminal motor nucleus and innervates the muscles of mastication.
Sensory Receptor Cells
Nerve Block
Sympathetic Nervous System
The thoracolumbar division of the autonomic nervous system. Sympathetic preganglionic fibers originate in neurons of the intermediolateral column of the spinal cord and project to the paravertebral and prevertebral ganglia, which in turn project to target organs. The sympathetic nervous system mediates the body's response to stressful situations, i.e., the fight or flight reactions. It often acts reciprocally to the parasympathetic system.
Sural Nerve
Median Nerve
Facial Nerve
The 7th cranial nerve. The facial nerve has two parts, the larger motor root which may be called the facial nerve proper, and the smaller intermediate or sensory root. Together they provide efferent innervation to the muscles of facial expression and to the lacrimal and SALIVARY GLANDS, and convey afferent information for TASTE from the anterior two-thirds of the TONGUE and for TOUCH from the EXTERNAL EAR.
Tibial Nerve
Ulnar Nerve
Phrenic Nerve
Cats
The domestic cat, Felis catus, of the carnivore family FELIDAE, comprising over 30 different breeds. The domestic cat is descended primarily from the wild cat of Africa and extreme southwestern Asia. Though probably present in towns in Palestine as long ago as 7000 years, actual domestication occurred in Egypt about 4000 years ago. (From Walker's Mammals of the World, 6th ed, p801)
Acetylcholine
Neural Conduction
Merkel Cells
Modified epidermal cells located in the stratum basale. They are found mostly in areas where sensory perception is acute, such as the fingertips. Merkel cells are closely associated with an expanded terminal bulb of an afferent myelinated nerve fiber. Do not confuse with Merkel's corpuscle which is a combination of a neuron and an epidermal cell.
Muscle Spindles
Skeletal muscle structures that function as the MECHANORECEPTORS responsible for the stretch or myotactic reflex (REFLEX, STRETCH). They are composed of a bundle of encapsulated SKELETAL MUSCLE FIBERS, i.e., the intrafusal fibers (nuclear bag 1 fibers, nuclear bag 2 fibers, and nuclear chain fibers) innervated by SENSORY NEURONS.
Femoral Nerve
Spinal Nerves
Motor Endplate
Norepinephrine
Precursor of epinephrine that is secreted by the adrenal medulla and is a widespread central and autonomic neurotransmitter. Norepinephrine is the principal transmitter of most postganglionic sympathetic fibers and of the diffuse projection system in the brain arising from the locus ceruleus. It is also found in plants and is used pharmacologically as a sympathomimetic.
Microscopy, Electron
Microscopy using an electron beam, instead of light, to visualize the sample, thereby allowing much greater magnification. The interactions of ELECTRONS with specimens are used to provide information about the fine structure of that specimen. In TRANSMISSION ELECTRON MICROSCOPY the reactions of the electrons that are transmitted through the specimen are imaged. In SCANNING ELECTRON MICROSCOPY an electron beam falls at a non-normal angle on the specimen and the image is derived from the reactions occurring above the plane of the specimen.
Nerve Growth Factors
Nerve Growth Factor
Spinal Nerve Roots
Paired bundles of NERVE FIBERS entering and leaving the SPINAL CORD at each segment. The dorsal and ventral nerve roots join to form the mixed segmental spinal nerves. The dorsal roots are generally afferent, formed by the central projections of the spinal (dorsal root) ganglia sensory cells, and the ventral roots are efferent, comprising the axons of spinal motor and PREGANGLIONIC AUTONOMIC FIBERS.
Pacinian Corpuscles
Rapidly adapting mechanoreceptors found in subcutaneous tissue beneath both hairy and glabrous skin. Pacinian corpuscles contain an afferent nerve fiber surrounded by a capsule with multiple concentric layers. They have large receptive fields and are most sensitive to high-frequency stimuli, such as vibration.
Laryngeal Mucosa
Radial Nerve
A major nerve of the upper extremity. In humans the fibers of the radial nerve originate in the lower cervical and upper thoracic spinal cord (usually C5 to T1), travel via the posterior cord of the brachial plexus, and supply motor innervation to extensor muscles of the arm and cutaneous sensory fibers to extensor regions of the arm and hand.
Substance P
Cranial Nerves
Guinea Pigs
Afferent Pathways
Nerve Tissue
Neurotransmitter Agents
Mandibular Nerve
Calcitonin Gene-Related Peptide
Calcitonin gene-related peptide. A 37-amino acid peptide derived from the calcitonin gene. It occurs as a result of alternative processing of mRNA from the calcitonin gene. The neuropeptide is widely distributed in neural tissue of the brain, gut, perivascular nerves, and other tissue. The peptide produces multiple biological effects and has both circulatory and neurotransmitter modes of action. In particular, it is a potent endogenous vasodilator.
Nerve Compression Syndromes
Thermoreceptors
Moles
Synaptic Vesicles
Membrane-bound compartments which contain transmitter molecules. Synaptic vesicles are concentrated at presynaptic terminals. They actively sequester transmitter molecules from the cytoplasm. In at least some synapses, transmitter release occurs by fusion of these vesicles with the presynaptic membrane, followed by exocytosis of their contents.
Rana pipiens
Ophthalmic Nerve
Ubiquitin Thiolesterase
Nociceptors
Peripheral AFFERENT NEURONS which are sensitive to injuries or pain, usually caused by extreme thermal exposures, mechanical forces, or other noxious stimuli. Their cell bodies reside in the DORSAL ROOT GANGLIA. Their peripheral terminals (NERVE ENDINGS) innervate target tissues and transduce noxious stimuli via axons to the CENTRAL NERVOUS SYSTEM.
Cochlear Nerve
Action Potentials
Nerve Degeneration
Loss of functional activity and trophic degeneration of nerve axons and their terminal arborizations following the destruction of their cells of origin or interruption of their continuity with these cells. The pathology is characteristic of neurodegenerative diseases. Often the process of nerve degeneration is studied in research on neuroanatomical localization and correlation of the neurophysiology of neural pathways.
Synaptic Transmission
The communication from a NEURON to a target (neuron, muscle, or secretory cell) across a SYNAPSE. In chemical synaptic transmission, the presynaptic neuron releases a NEUROTRANSMITTER that diffuses across the synaptic cleft and binds to specific synaptic receptors, activating them. The activated receptors modulate specific ion channels and/or second-messenger systems in the postsynaptic cell. In electrical synaptic transmission, electrical signals are communicated as an ionic current flow across ELECTRICAL SYNAPSES.
Presynaptic Terminals
The distal terminations of axons which are specialized for the release of neurotransmitters. Also included are varicosities along the course of axons which have similar specializations and also release transmitters. Presynaptic terminals in both the central and peripheral nervous systems are included.
Oculomotor Muscles
Guanethidine
An antihypertensive agent that acts by inhibiting selectively transmission in post-ganglionic adrenergic nerves. It is believed to act mainly by preventing the release of norepinephrine at nerve endings and causes depletion of norepinephrine in peripheral sympathetic nerve terminals as well as in tissues.
Rats, Sprague-Dawley
Abducens Nerve
Calcium
A basic element found in nearly all organized tissues. It is a member of the alkaline earth family of metals with the atomic symbol Ca, atomic number 20, and atomic weight 40. Calcium is the most abundant mineral in the body and combines with phosphorus to form calcium phosphate in the bones and teeth. It is essential for the normal functioning of nerves and muscles and plays a role in blood coagulation (as factor IV) and in many enzymatic processes.
Nerve Fibers, Myelinated
A class of nerve fibers as defined by their structure, specifically the nerve sheath arrangement. The AXONS of the myelinated nerve fibers are completely encased in a MYELIN SHEATH. They are fibers of relatively large and varied diameters. Their NEURAL CONDUCTION rates are faster than those of the unmyelinated nerve fibers (NERVE FIBERS, UNMYELINATED). Myelinated nerve fibers are present in somatic and autonomic nerves.
Oculomotor Nerve
The 3d cranial nerve. The oculomotor nerve sends motor fibers to the levator muscles of the eyelid and to the superior rectus, inferior rectus, and inferior oblique muscles of the eye. It also sends parasympathetic efferents (via the ciliary ganglion) to the muscles controlling pupillary constriction and accommodation. The motor fibers originate in the oculomotor nuclei of the midbrain.
Synapsins
A family of synaptic vesicle-associated proteins involved in the short-term regulation of NEUROTRANSMITTER release. Synapsin I, the predominant member of this family, links SYNAPTIC VESICLES to ACTIN FILAMENTS in the presynaptic nerve terminal. These interactions are modulated by the reversible PHOSPHORYLATION of synapsin I through various signal transduction pathways. The protein is also a substrate for cAMP- and CALCIUM-CALMODULIN-DEPENDENT PROTEIN KINASES. It is believed that these functional properties are also shared by synapsin II.
Synaptophysin
Atropine
Splanchnic Nerves
The major nerves supplying sympathetic innervation to the abdomen. The greater, lesser, and lowest (or smallest) splanchnic nerves are formed by preganglionic fibers from the spinal cord which pass through the paravertebral ganglia and then to the celiac ganglia and plexuses. The lumbar splanchnic nerves carry fibers which pass through the lumbar paravertebral ganglia to the mesenteric and hypogastric ganglia.
Glossopharyngeal Nerve
The 9th cranial nerve. The glossopharyngeal nerve is a mixed motor and sensory nerve; it conveys somatic and autonomic efferents as well as general, special, and visceral afferents. Among the connections are motor fibers to the stylopharyngeus muscle, parasympathetic fibers to the parotid glands, general and taste afferents from the posterior third of the tongue, the nasopharynx, and the palate, and afferents from baroreceptors and CHEMORECEPTOR CELLS of the carotid sinus.
Ganglia, Autonomic
Clusters of neurons and their processes in the autonomic nervous system. In the autonomic ganglia, the preganglionic fibers from the central nervous system synapse onto the neurons whose axons are the postganglionic fibers innervating target organs. The ganglia also contain intrinsic neurons and supporting cells and preganglionic fibers passing through to other ganglia.
rab3A GTP-Binding Protein
Receptors, Histamine H3
A class of histamine receptors discriminated by their pharmacology and mode of action. Histamine H3 receptors were first recognized as inhibitory autoreceptors on histamine-containing nerve terminals and have since been shown to regulate the release of several neurotransmitters in the central and peripheral nervous systems. (From Biochem Soc Trans 1992 Feb;20(1):122-5)
Muscle Contraction
Electrophysiology
Parasympathetic Nervous System
The craniosacral division of the autonomic nervous system. The cell bodies of the parasympathetic preganglionic fibers are in brain stem nuclei and in the sacral spinal cord. They synapse in cranial autonomic ganglia or in terminal ganglia near target organs. The parasympathetic nervous system generally acts to conserve resources and restore homeostasis, often with effects reciprocal to the sympathetic nervous system.
Nodose Ganglion
Rats, Wistar
Nerve Fibers, Unmyelinated
A class of nerve fibers as defined by their nerve sheath arrangement. The AXONS of the unmyelinated nerve fibers are small in diameter and usually several are surrounded by a single MYELIN SHEATH. They conduct low-velocity impulses, and represent the majority of peripheral sensory and autonomic fibers, but are also found in the BRAIN and SPINAL CORD.
Ganglia, Sensory
Neurofilament Proteins
Type III intermediate filament proteins that assemble into neurofilaments, the major cytoskeletal element in nerve axons and dendrites. They consist of three distinct polypeptides, the neurofilament triplet. Types I, II, and IV intermediate filament proteins form other cytoskeletal elements such as keratins and lamins. It appears that the metabolism of neurofilaments is disturbed in Alzheimer's disease, as indicated by the presence of neurofilament epitopes in the neurofibrillary tangles, as well as by the severe reduction of the expression of the gene for the light neurofilament subunit of the neurofilament triplet in brains of Alzheimer's patients. (Can J Neurol Sci 1990 Aug;17(3):302)
Optic Nerve Injuries
Injuries to the optic nerve induced by a trauma to the face or head. These may occur with closed or penetrating injuries. Relatively minor compression of the superior aspect of orbit may also result in trauma to the optic nerve. Clinical manifestations may include visual loss, PAPILLEDEMA, and an afferent pupillary defect.
2-Chloroadenosine
Optic Nerve Diseases
Conditions which produce injury or dysfunction of the second cranial or optic nerve, which is generally considered a component of the central nervous system. Damage to optic nerve fibers may occur at or near their origin in the retina, at the optic disk, or in the nerve, optic chiasm, optic tract, or lateral geniculate nuclei. Clinical manifestations may include decreased visual acuity and contrast sensitivity, impaired color vision, and an afferent pupillary defect.
Chemoreceptor Cells
Ganglia, Spinal
Sensory ganglia located on the dorsal spinal roots within the vertebral column. The spinal ganglion cells are pseudounipolar. The single primary branch bifurcates sending a peripheral process to carry sensory information from the periphery and a central branch which relays that information to the spinal cord or brain.
Immunohistochemistry
Thoracic Nerves
Vagus Nerve
The 10th cranial nerve. The vagus is a mixed nerve which contains somatic afferents (from skin in back of the ear and the external auditory meatus), visceral afferents (from the pharynx, larynx, thorax, and abdomen), parasympathetic efferents (to the thorax and abdomen), and efferents to striated muscle (of the larynx and pharynx).
Sympathectomy
Reflex
Fasciculation
Involuntary contraction of the muscle fibers innervated by a motor unit. Fasciculations can often by visualized and take the form of a muscle twitch or dimpling under the skin, but usually do not generate sufficient force to move a limb. They may represent a benign condition or occur as a manifestation of MOTOR NEURON DISEASE or PERIPHERAL NERVOUS SYSTEM DISEASES. (Adams et al., Principles of Neurology, 6th ed, p1294)
Accessory Nerve
The 11th cranial nerve which originates from NEURONS in the MEDULLA and in the CERVICAL SPINAL CORD. It has a cranial root, which joins the VAGUS NERVE (10th cranial) and sends motor fibers to the muscles of the LARYNX, and a spinal root, which sends motor fibers to the TRAPEZIUS and the sternocleidomastoid muscles.
Skin
Carotid Body
A small cluster of chemoreceptive and supporting cells located near the bifurcation of the internal carotid artery. The carotid body, which is richly supplied with fenestrated capillaries, senses the pH, carbon dioxide, and oxygen concentrations in the blood and plays a crucial role in their homeostatic control.
Tachyphylaxis
Tetrodotoxin
Facial Nerve Injuries
Traumatic injuries to the facial nerve. This may result in FACIAL PARALYSIS, decreased lacrimation and salivation, and loss of taste sensation in the anterior tongue. The nerve may regenerate and reform its original pattern of innervation, or regenerate aberrantly, resulting in inappropriate lacrimation in response to gustatory stimuli (e.g., "crocodile tears") and other syndromes.
Synapses
Specialized junctions at which a neuron communicates with a target cell. At classical synapses, a neuron's presynaptic terminal releases a chemical transmitter stored in synaptic vesicles which diffuses across a narrow synaptic cleft and activates receptors on the postsynaptic membrane of the target cell. The target may be a dendrite, cell body, or axon of another neuron, or a specialized region of a muscle or secretory cell. Neurons may also communicate via direct electrical coupling with ELECTRICAL SYNAPSES. Several other non-synaptic chemical or electric signal transmitting processes occur via extracellular mediated interactions.
Acetylcholinesterase
Histamine Agonists
Cranial Nerve Neoplasms
Facial Nerve Diseases
Diseases of the facial nerve or nuclei. Pontine disorders may affect the facial nuclei or nerve fascicle. The nerve may be involved intracranially, along its course through the petrous portion of the temporal bone, or along its extracranial course. Clinical manifestations include facial muscle weakness, loss of taste from the anterior tongue, hyperacusis, and decreased lacrimation.
Motor Neurons, Gamma
Motor neurons which activate the contractile regions of intrafusal SKELETAL MUSCLE FIBERS, thus adjusting the sensitivity of the MUSCLE SPINDLES to stretch. Gamma motor neurons may be "static" or "dynamic" according to which aspect of responsiveness (or which fiber types) they regulate. The alpha and gamma motor neurons are often activated together (alpha gamma coactivation) which allows the spindles to contribute to the control of movement trajectories despite changes in muscle length.
Nictitating Membrane
Synaptic Membranes
Recurrent Laryngeal Nerve
Branches of the vagus (tenth cranial) nerve. The recurrent laryngeal nerves originate more caudally than the superior laryngeal nerves and follow different paths on the right and left sides. They carry efferents to all muscles of the larynx except the cricothyroid and carry sensory and autonomic fibers to the laryngeal, pharyngeal, tracheal, and cardiac regions.
Rats, Inbred Strains
Lingual Nerve
Dogs
Olfactory Nerve
Membrane Potentials
The voltage differences across a membrane. For cellular membranes they are computed by subtracting the voltage measured outside the membrane from the voltage measured inside the membrane. They result from differences of inside versus outside concentration of potassium, sodium, chloride, and other ions across cells' or ORGANELLES membranes. For excitable cells, the resting membrane potentials range between -30 and -100 millivolts. Physical, chemical, or electrical stimuli can make a membrane potential more negative (hyperpolarization), or less negative (depolarization).
Axonal Transport
Adenosine
Desipramine
A tricyclic dibenzazepine compound that potentiates neurotransmission. Desipramine selectively blocks reuptake of norepinephrine from the neural synapse, and also appears to impair serotonin transport. This compound also possesses minor anticholinergic activity, through its affinity to muscarinic receptors.
Diaphragm
Reserpine
An alkaloid found in the roots of Rauwolfia serpentina and R. vomitoria. Reserpine inhibits the uptake of norepinephrine into storage vesicles resulting in depletion of catecholamines and serotonin from central and peripheral axon terminals. It has been used as an antihypertensive and an antipsychotic as well as a research tool, but its adverse effects limit its clinical use.
Hypoglossal Nerve
Electric Organ
In about 250 species of electric fishes, modified muscle fibers forming disklike multinucleate plates arranged in stacks like batteries in series and embedded in a gelatinous matrix. A large torpedo ray may have half a million plates. Muscles in different parts of the body may be modified, i.e., the trunk and tail in the electric eel, the hyobranchial apparatus in the electric ray, and extrinsic eye muscles in the stargazers. Powerful electric organs emit pulses in brief bursts several times a second. They serve to stun prey and ward off predators. A large torpedo ray can produce of shock of more than 200 volts, capable of stunning a human. (Storer et al., General Zoology, 6th ed, p672)
Phenoxybenzamine
Anura
Serotonin
A biochemical messenger and regulator, synthesized from the essential amino acid L-TRYPTOPHAN. In humans it is found primarily in the central nervous system, gastrointestinal tract, and blood platelets. Serotonin mediates several important physiological functions including neurotransmission, gastrointestinal motility, hemostasis, and cardiovascular integrity. Multiple receptor families (RECEPTORS, SEROTONIN) explain the broad physiological actions and distribution of this biochemical mediator.
Brain
The part of CENTRAL NERVOUS SYSTEM that is contained within the skull (CRANIUM). Arising from the NEURAL TUBE, the embryonic brain is comprised of three major parts including PROSENCEPHALON (the forebrain); MESENCEPHALON (the midbrain); and RHOMBENCEPHALON (the hindbrain). The developed brain consists of CEREBRUM; CEREBELLUM; and other structures in the BRAIN STEM.
Calbindin 1
Receptors, Presynaptic
omega-Conotoxins
Evoked Potentials
Electrical responses recorded from nerve, muscle, SENSORY RECEPTOR, or area of the CENTRAL NERVOUS SYSTEM following stimulation. They range from less than a microvolt to several microvolts. The evoked potential can be auditory (EVOKED POTENTIALS, AUDITORY), somatosensory (EVOKED POTENTIALS, SOMATOSENSORY), visual (EVOKED POTENTIALS, VISUAL), or motor (EVOKED POTENTIALS, MOTOR), or other modalities that have been reported.
Exocytosis
Receptors, Nerve Growth Factor
Histocytochemistry
Trachea
Phentolamine
Tachykinins
A family of biologically active peptides sharing a common conserved C-terminal sequence, -Phe-X-Gly-Leu-Met-NH2, where X is either an aromatic or a branched aliphatic amino acid. Members of this family have been found in mammals, amphibians, and mollusks. Tachykinins have diverse pharmacological actions in the central nervous system and the cardiovascular, genitourinary, respiratory, and gastrointestinal systems, as well as in glandular tissues. This diversity of activity is due to the existence of three or more subtypes of tachykinin receptors.
Nose
Abducens Nerve Diseases
Diseases of the sixth cranial (abducens) nerve or its nucleus in the pons. The nerve may be injured along its course in the pons, intracranially as it travels along the base of the brain, in the cavernous sinus, or at the level of superior orbital fissure or orbit. Dysfunction of the nerve causes lateral rectus muscle weakness, resulting in horizontal diplopia that is maximal when the affected eye is abducted and ESOTROPIA. Common conditions associated with nerve injury include INTRACRANIAL HYPERTENSION; CRANIOCEREBRAL TRAUMA; ISCHEMIA; and INFRATENTORIAL NEOPLASMS.
Vestibular Nerve
The vestibular part of the 8th cranial nerve (VESTIBULOCOCHLEAR NERVE). The vestibular nerve fibers arise from neurons of Scarpa's ganglion and project peripherally to vestibular hair cells and centrally to the VESTIBULAR NUCLEI of the BRAIN STEM. These fibers mediate the sense of balance and head position.
Aminobutyrates
Dopamine
One of the catecholamine NEUROTRANSMITTERS in the brain. It is derived from TYROSINE and is the precursor to NOREPINEPHRINE and EPINEPHRINE. Dopamine is a major transmitter in the extrapyramidal system of the brain, and important in regulating movement. A family of receptors (RECEPTORS, DOPAMINE) mediate its action.
Neurons
Neuropeptides
Potassium
An element in the alkali group of metals with an atomic symbol K, atomic number 19, and atomic weight 39.10. It is the chief cation in the intracellular fluid of muscle and other cells. Potassium ion is a strong electrolyte that plays a significant role in the regulation of fluid volume and maintenance of the WATER-ELECTROLYTE BALANCE.
Maxillary Nerve
Joint Capsule
Hexamethonium Compounds
Pressoreceptors
Oculomotor Nerve Diseases
Diseases of the oculomotor nerve or nucleus that result in weakness or paralysis of the superior rectus, inferior rectus, medial rectus, inferior oblique, or levator palpebrae muscles, or impaired parasympathetic innervation to the pupil. With a complete oculomotor palsy, the eyelid will be paralyzed, the eye will be in an abducted and inferior position, and the pupil will be markedly dilated. Commonly associated conditions include neoplasms, CRANIOCEREBRAL TRAUMA, ischemia (especially in association with DIABETES MELLITUS), and aneurysmal compression. (From Adams et al., Principles of Neurology, 6th ed, p270)
Calcium Channel Blockers
Nerve Sheath Neoplasms
Botulinum Toxins
Toxic proteins produced from the species CLOSTRIDIUM BOTULINUM. The toxins are synthesized as a single peptide chain which is processed into a mature protein consisting of a heavy chain and light chain joined via a disulfide bond. The botulinum toxin light chain is a zinc-dependent protease which is released from the heavy chain upon ENDOCYTOSIS into PRESYNAPTIC NERVE ENDINGS. Once inside the cell the botulinum toxin light chain cleaves specific SNARE proteins which are essential for secretion of ACETYLCHOLINE by SYNAPTIC VESICLES. This inhibition of acetylcholine release results in muscular PARALYSIS.
Physostigmine
TRPV Cation Channels
Peripheral Nervous System Diseases
Muscle, Smooth
Unstriated and unstriped muscle, one of the muscles of the internal organs, blood vessels, hair follicles, etc. Contractile elements are elongated, usually spindle-shaped cells with centrally located nuclei. Smooth muscle fibers are bound together into sheets or bundles by reticular fibers and frequently elastic nets are also abundant. (From Stedman, 25th ed)
Dose-Response Relationship, Drug
Receptors, Purinergic
Periodontal Ligament
Tendons
Spinal Cord
Hemicholinium 3
A potent inhibitor of the high affinity uptake system for CHOLINE. It has less effect on the low affinity uptake system. Since choline is one of the components of ACETYLCHOLINE, treatment with hemicholinium can deplete acetylcholine from cholinergic terminals. Hemicholinium 3 is commonly used as a research tool in animal and in vitro experiments.
Pineal Gland
Ganglionic Blockers
Agents having as their major action the interruption of neural transmission at nicotinic receptors on postganglionic autonomic neurons. Because their actions are so broad, including blocking of sympathetic and parasympathetic systems, their therapeutic use has been largely supplanted by more specific drugs. They may still be used in the control of blood pressure in patients with acute dissecting aortic aneurysm and for the induction of hypotension in surgery.
Schwann Cells
Autonomic Nervous System
The ENTERIC NERVOUS SYSTEM; PARASYMPATHETIC NERVOUS SYSTEM; and SYMPATHETIC NERVOUS SYSTEM taken together. Generally speaking, the autonomic nervous system regulates the internal environment during both peaceful activity and physical or emotional stress. Autonomic activity is controlled and integrated by the CENTRAL NERVOUS SYSTEM, especially the HYPOTHALAMUS and the SOLITARY NUCLEUS, which receive information relayed from VISCERAL AFFERENTS.
Sciatic Neuropathy
Disease or damage involving the SCIATIC NERVE, which divides into the PERONEAL NERVE and TIBIAL NERVE (see also PERONEAL NEUROPATHIES and TIBIAL NEUROPATHY). Clinical manifestations may include SCIATICA or pain localized to the hip, PARESIS or PARALYSIS of posterior thigh muscles and muscles innervated by the peroneal and tibial nerves, and sensory loss involving the lateral and posterior thigh, posterior and lateral leg, and sole of the foot. The sciatic nerve may be affected by trauma; ISCHEMIA; COLLAGEN DISEASES; and other conditions. (From Adams et al., Principles of Neurology, 6th ed, p1363)
Hindlimb
Microscopy, Immunoelectron
Sodium
Cranial Nerve Injuries
Receptors, Adrenergic, alpha
One of the two major pharmacological subdivisions of adrenergic receptors that were originally defined by the relative potencies of various adrenergic compounds. The alpha receptors were initially described as excitatory receptors that post-junctionally stimulate SMOOTH MUSCLE contraction. However, further analysis has revealed a more complex picture involving several alpha receptor subtypes and their involvement in feedback regulation.
S100 Calcium Binding Protein G
A calbindin protein found in many mammalian tissues, including the UTERUS, PLACENTA, BONE, PITUITARY GLAND, and KIDNEYS. In intestinal ENTEROCYTES it mediates intracellular calcium transport from apical to basolateral membranes via calcium binding at two EF-HAND MOTIFS. Expression is regulated in some tissues by VITAMIN D.
Epinephrine
The active sympathomimetic hormone from the ADRENAL MEDULLA. It stimulates both the alpha- and beta- adrenergic systems, causes systemic VASOCONSTRICTION and gastrointestinal relaxation, stimulates the HEART, and dilates BRONCHI and cerebral vessels. It is used in ASTHMA and CARDIAC FAILURE and to delay absorption of local ANESTHETICS.
Receptors, Adrenergic
Cell-surface proteins that bind epinephrine and/or norepinephrine with high affinity and trigger intracellular changes. The two major classes of adrenergic receptors, alpha and beta, were originally discriminated based on their cellular actions but now are distinguished by their relative affinity for characteristic synthetic ligands. Adrenergic receptors may also be classified according to the subtypes of G-proteins with which they bind; this scheme does not respect the alpha-beta distinction.
Cerebral Cortex
Neurotoxins
Chorda Tympani Nerve
Rabbits
Stimulation, Chemical
The increase in a measurable parameter of a PHYSIOLOGICAL PROCESS, including cellular, microbial, and plant; immunological, cardiovascular, respiratory, reproductive, urinary, digestive, neural, musculoskeletal, ocular, and skin physiological processes; or METABOLIC PROCESS, including enzymatic and other pharmacological processes, by a drug or other chemical.
Pain
Calcium Channels
Voltage-dependent cell membrane glycoproteins selectively permeable to calcium ions. They are categorized as L-, T-, N-, P-, Q-, and R-types based on the activation and inactivation kinetics, ion specificity, and sensitivity to drugs and toxins. The L- and T-types are present throughout the cardiovascular and central nervous systems and the N-, P-, Q-, & R-types are located in neuronal tissue.
Further evidence that prostaglandins inhibit the release of noradrenaline from adrenergic nerve terminals by restriction of availability of calcium. (1/1058)
1 Guinea-pig vasa deferentia were continuously superfused after labelling the transmitter stores with [3H](-)-noradrenaline. Release of [3H]-(-)-noradrenaline was induced by transmural nerve stimulation. 2 Prostglandin E2 (14 nM) drastically reduced the release of [3H]-(-)-noradrenaline, while tetraethylammonium (2 mM), rubidium (6 mM), phenoxybenzamine (3 muM) each in the presence or absence of Uptake 1 or 2 blockade, and prolonged pulse duration (from 0.5 to 2.0 ms) all significantly increased the release of [3H]-(-)-noradrenaline per nerve impulse. 3 The inhibitory effect of prostaglandin E2 on evoked release of [3H]-(-)-noradrenaline was significantly reduced by tetraethylammonium, rubidium and prolonged pulse duration, whilst it was actually enhanced by phenoxybenzamine. This indicates that increased release of noradrenaline per nerve impulse does not per se counteract the inhibitory effect of prostaglandin E2. 4 It is concluded that tetraethylammonium, rubidium and prolonged pulse duration counteracted the inhibitory effect of prostaglandin E2 on T3H]-(-)-noradrenaline release by promoting calcium influx during the nerve action potential. The results are consistent with, and add more weight to the view that prostaglandins inhibit the release of noradrenaline by restriction of calcium availability. (+info)Facilitatory beta2-adrenoceptors on cholinergic and adrenergic nerve endings of the guinea pig trachea. (2/1058)
Using electrical field stimulation of epithelium-denuded intact guinea pig tracheal tube preparations, we studied the presence and role of prejunctional beta2-adrenoceptors by measuring evoked endogenous acetylcholine (ACh) and norepinephrine (NE) release directly. Analysis of ACh and NE was through two HPLC systems with electrochemical detection. Electrical field stimulation (150 mA, 0.8 ms, 16 Hz, 5 min, biphasic pulses) released 29.1 +/- 2.5 pmol ACh/g tissue and 70.2 +/- 6.2 pmol NE/g tissue. Preincubation for 15 min with the selective beta2-adrenoceptor agonist fenoterol (1 microM) increased both ACh and NE overflow to 178 +/- 28 (P < 0.01) and 165 +/- 12% (P < 0.01), respectively, of control values, increases that were abolished completely by the selective beta2-adrenoceptor antagonist ICI-118551 (1 microM). Further experiments with increasing fenoterol concentrations (0.1-100 microM) and different preincubation periods (1, 5, and 15 min) showed a strong and concentration-dependent facilitation of NE release, with maximum response levels decreasing (from nearly 5-fold to only 2.5-fold of control value) with increasing agonist contact time. In contrast, sensitivity of facilitatory beta2-adrenoceptors on cholinergic nerves to fenoterol gradually increased when the incubation period was prolonged; in addition, a bell-shaped concentration-response relationship was found at 15 min of preincubation. Fenoterol concentration-response relationships (15-min agonist preincubation) in the presence of atropine and yohimbine (1 microM each) were similar in the case of NE release, but in the case of ACh release, the bell shape was lost. The results indicate a differential capacity and response time profile of facilitatory prejunctional beta2-adrenoceptors on adrenergic and cholinergic nerve terminals in the guinea pig trachea and suggest that the receptors on adrenergic nerves are more susceptible to desensitization. (+info)Stimulus-secretion coupling in neurohypophysial nerve endings: a role for intravesicular sodium? (3/1058)
It is generally accepted that Ca is essentially involved in regulated secretion, but the role of this cation, as well as others such as Na, is not well understood. An illustrative example occurs in neurohypophysial secretion, where an experimentally induced increase in the cytosolic concentration of Na+ can induce continuous neuropeptide release. In contrast, an increase in cytosolic Ca2+ will have only a transient stimulatory effect. The secretion-promoting targets for Ca2+ are not known; they may be cytosolic, as is usually assumed, but they may also be intravesicular, especially in view of evidence that Ca-rich secretory vesicles are preferentially secreted. In the present work, we have investigated the movements of these cations into and out of secretory vesicles during stimulus-secretion coupling. Isolated rat neurohypophysial nerve endings were stimulated by potassium (55 mM) depolarization, and at 6 min (peak secretion) and 20 min after the onset of stimulation, the elemental content of individual secretory vesicles was measured by quantitative x-ray microanalysis. A depolarization-induced transient increase in intravesicular Na+ concentration was found to coincide with the onset of secretion. Moreover, only a predicted small fraction of peripheral vesicles-presumably the docked ones-were Na+-loaded. The low sulfur concentration of Na+-rich vesicles most likely resulted from vesicle swelling. The results suggest that high intravesicular Na+ concentrations in docked vesicles, occurring by Na+/Ca2+ exchange or by transient fusion pore opening, is a proximal event in exocytosis. (+info)Quantal secretion and nerve-terminal cable properties at neuromuscular junctions in an amphibian (Bufo marinus). (4/1058)
The effect of a conditioning depolarizing current pulse (80-200 micros) on quantal secretion evoked by a similar test pulse at another site was examined in visualized motor-nerve terminal branches of amphibian endplates (Bufo marinus). Tetrodotoxin (200 nM) and cadmium (50 microM) were used to block voltage-dependent sodium and calcium conductances. Quantal release at the test electrode was depressed at different distances (28-135 microm) from the conditioning electrode when the conditioning and test pulses were delivered simultaneously. This depression decreased when the interval between conditioning and test current pulses was increased, until, at an interval of approximately 0.25 ms, it was negligible. At no time during several thousand test-conditioning pairs, for electrodes at different distances apart (28-135 microm) on the same or contiguous terminal branches, did the electrotonic effects of quantal release at one electrode produce quantal release at the other. Analytic and numerical solutions were obtained for the distribution of transmembrane potential at different sites along terminal branches of different lengths for current injection at a point on a terminal branch wrapped in Schwann cell, in the absence of active membrane conductances. Solutions were also obtained for the combined effects of two sites of current injection separated by different time delays. This cable model shows that depolarizing current injections of a few hundred microseconds duration produce hyperpolarizations at approximately 30 microm beyond the site of current injection, with these becoming larger and occurring at shorter distances the shorter the terminal branch. Thus the effect of a conditioning depolarizing pulse at one site on a subsequent test pulse at another more than approximately 30 microm away is to substantially decrease the absolute depolarization produced by the latter, provided the interval between the pulses is less than a few hundred microseconds. It is concluded that the passive cable properties of motor nerve terminal branches are sufficient to explain the effects on quantal secretion by a test electrode depolarization of current injections from a spatially removed conditioning electrode. (+info)Synaptic vesicle dynamics in rat fast and slow motor nerve terminals. (5/1058)
We have investigated whether rat motor nerve terminals with different in vivo activity patterns also have different vesicle trafficking characteristics. To do this, we monitored, using combined optical and electrical techniques, the rate of exocytosis (during different frequencies and patterns of activity), the releasable pool size, and the recycle time of synaptic vesicles in terminals on soleus (slow-twitch) and extensor digitorum longus [(EDL); fast-twitch] muscle fibers. EDL terminals had a higher initial quantal content (QC) than soleus, but during tonic or phasic stimulation at 20-80 Hz, EDL QC ran down to a greater extent than soleus QC. By recording loss of fluorescence from exocytosing vesicles labeled with the dye FM1-43, EDL terminals were found to destain faster than those in soleus. Simultaneous intracellular recording of end plate potentials, to count the number of vesicles released, permitted estimation of the total vesicle pool (VP) size and the recycle time by combining the optical and electrophysiological data. Soleus vesicle pool was larger than EDL, but recycle time was not significantly different. These terminals, therefore, are adapted to their in vivo activity patterns by alterations in QC and VP size but not recycle time. (+info)Reorganization of cholinergic terminals in the cerebral cortex and hippocampus in transgenic mice carrying mutated presenilin-1 and amyloid precursor protein transgenes. (6/1058)
Cholinergic deficits are one of the most consistent neuropathological landmarks in Alzheimer's disease (AD). We have examined transgenic mouse models (PS1M146L, APPK670N,M671L) and a doubly transgenic line (APPK670N,M671L + PS1M146L) that overexpress mutated AD-related genes [presenilin-1 (PS1) and the amyloid precursor protein (APP)] to investigate the effect of AD-related gene overexpression and/or amyloidosis on cholinergic parameters. The size of the basal forebrain cholinergic neurons and the pattern of cholinergic synapses in the hippocampus and cerebral cortex were revealed by immunohistochemical staining for choline acetyltransferase and the vesicular acetylcholine transporter, respectively. At the time point studied (8 months), no apparent changes in either the size or density of cholinergic synapses were found in the PS1M146L mutant relative to the nontransgenic controls. However, the APPK670N,M671L mutant showed a significant elevation in the density of cholinergic synapses in the frontal and parietal cortices. Most importantly, the double mutant (APPK670N,M671L + PS1M146L), which had extensive amyloidosis, demonstrated a prominent diminution in the density of cholinergic synapses in the frontal cortex and a reduction in the size of these synapses in the frontal cortex and hippocampus. Nonetheless, no significant changes in the size of basal forebrain cholinergic neurons were observed in these three mutants. This study shows a novel role of APP and a synergistic effect of APP and PS1 that correlates with amyloid load on the reorganization of the cholinergic network in the cerebral cortex and hippocampus at the time point studied. (+info)Isolation of pure cholinergic nerve endings from the electric organ of Torpedo marmorata. (7/1058)
A rapid method for the preparation of highly purified cholinergic nerve endings from the electric organ of Torpedo is described. The endings retain their cytoplasmic components, as shown by biochemical and morphological observations. The homogeneity of these synaptosomes make them a useful tool for further studies. (+info)Specific alteration of spontaneous GABAergic inhibition in cerebellar purkinje cells in mice lacking the potassium channel Kv1. 1. (8/1058)
In the cerebellum, the basket cell innervation on Purkinje cells provides a major GABAergic inhibitory control of the single efferent output from the cerebellum. The Shaker-type K channel Kv1.1 is localized at the axon arborization preceding the terminal of the basket cells and is therefore a potential candidate for regulating the GABAergic inhibition. In this study, we directly assess this role of Kv1.1 by electrophysiological analysis of Kv1.1 null mutant mice. Whole-cell patch-clamp recordings of spontaneous IPSCs (sIPSCs) were made from Purkinje cells in thin cerebellar slices from postnatal day (P)10-15 Kv1.1-null mutants using wild-type littermates as controls. The null mutation confers a very specific change in the sIPSC: the frequency increases about twofold, without accompanying changes in the mean and variance of its amplitude distribution. The frequency and amplitude of the miniature IPSCs (mIPSCs) are unaffected. Spontaneous firing rate of the basket cells is unaltered. Evoked IPSC does not show multiple activity in the mutants. Motor skills tests show that Kv1.1 null mice display a compromised ability to maintain balance on a thin stationary rod. We conclude that the Kv1.1 null mutation results in a persistent elevation of the tonic inhibitory tone on the cerebellum Purkinje cell efferent and that this is not fully compensated for by residual Shaker-type channels. We further suggest that the increase in inhibitory tone in the mutants might underlie the behavioral deficits. At the cellular level, we propose that Kv1.1 deletion enhances excitability of the basket cells by selectively enhancing the likelihood of action potential propagation past axonal branch points. (+info)
Calcium Dependence of Large Dense-Cored Vesicle Exocytosis Evoked by C by Kathrin L. Engisch and Martha C. Nowycky
Enlarged nerve endings on the penis Comentarios sobre titan gel
PET Scan in Patients With Neurocardiologic Disorders - Full Text View - ClinicalTrials.gov
Touching a nerve ending Synonyms, Touching a nerve ending Antonyms | Thesaurus.com
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NERVE ENDINGS
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Definition for free nerve ending
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Free nerve ending
A free nerve ending (FNE) or bare nerve ending, is an unspecialized, afferent nerve fiber sending its signal to a sensory ... Free nerve endings are unencapsulated and have no complex sensory structures. They are the most common type of nerve ending, ... Hada R (1990). "[Difference in responses of free nerve endings and Ruffini-type endings innervating the cat mandibular ... Free nerve endings have different rates of adaptation, stimulus modalities, and fiber types. Different types of FNE can be ...
Merkel nerve ending
A single afferent nerve fibre branches to innervate up to 90 such endings. In mammals, Merkel nerve endings have a wide ... In mammals, electrical recordings from single afferent nerve fibres have shown that the responses of Merkel nerve endings are ... Each ending consists of a Merkel cell in close apposition with an enlarged nerve terminal. This is sometimes referred to as a ... Merkel nerve endings are mechanoreceptors, a type of sensory receptor, that are found in the basal epidermis and hair follicles ...
Bloody Mary (Nerve Endings)
"Bloody Mary (Nerve Endings)", often referred to as just "Bloody Mary", is an indie rock song performed by American alternative ... Retrieved January 5, 2013.[permanent dead link] "Bloody Mary (Nerve Endings)" Official music video on YouTube v t e (All ... NERVE ENDINGS)" (in Dutch). Ultratip. Retrieved 2012-08-18. "Silversun Pickups Rock Songs Chart History". Billboard. Prometheus ...
Stephen Moses
"Marc Sloan Discography". Trees of Nerve Endings. Archived from the original on 2012-03-13. "Related Artists". Blind Melon (Blog ...
Zita Stead
Woollard, H. H. (July 1937). "Intra-Epidermal Nerve Endings". The Journal of Nervous and Mental Disease. 86 (1): 54-60.5. doi: ...
Requiem (Killing Joke song)
Requiem was covered by the British post-punk band Eagulls in 2013 as the B-side to their "Nerve Endings" single, which received ... "Eagulls - Nerve Endings (Vinyl)". Discogs. Retrieved 29 April 2018. La Playlist de l'UA, retrieved 8 July 2019 "Killing Joke > ...
Kristin Hersh
Nerve Endings: Selected Lyrics. Unbound, 2018. ISBN 978-1783525638. Seeing Sideways: A Memoir of Music and Motherhood. ... "Nerves Exposed, Hersh Sings One for the Oddballs". NPR. Retrieved October 24, 2016. Strauss, Neil (March 9, 1995). "My So- ...
Presidency of Dwight D. Eisenhower
Blood pressure and temperature have gone down; nerve endings have healed over. The new tone could be described in a word: ... On July 27, 1953, the United States, North Korea, and China agreed to the Korean Armistice Agreement, ending the Korean War. ...
Neuronal noise
Fatt, P.; Katz, B. (1952). "Spontaneous subthreshold activity at motor nerve endings". J Physiol. 117 (1): 109-128. doi:10.1113 ...
Oscar Werner Tiegs
... chemical transmission at dorsal root nerve endings. He was appointed to a Chair of Zoology at the University of Melbourne in ... Between 1922 and 1934 Oscar Tiegs was almost entirely concerned with the physiology of nerve and muscle, apparently influenced ...
Chemical synapse
Rapport, Richard L. (2005). Nerve Endings: The Discovery of the Synapse. W. W. Norton & Company. pp. 1-37. ISBN 978-0-393-06019 ... I felt the need of some name to call the junction between nerve-cell and nerve-cell... I suggested using "syndesm"... He [ Sir ... The release of a neurotransmitter is triggered by the arrival of a nerve impulse (or action potential) and occurs through an ... Pereda AE, Rash JE, Nagy JI, Bennett MV (December 2004). "Dynamics of electrical transmission at club endings on the Mauthner ...
Northern leopard frog
"Spontaneous subthreshold activity at motor nerve endings". The Journal of Physiology. 117 (1): 109-28. doi:10.1113/jphysiol. ... The neuromuscular junction of the sciatic nerve fibers of the sartorius muscle of this frog has been the source of initial data ... Hille, B (1967). "The selective inhibition of delayed potassium currents in nerve by tetraethylammonium ion". The Journal of ...
Hip arthroscopy
However, this is not its only function, as it has been shown to contain nerve endings, which may cause pain if damaged. The ... The most common nerve to be injured is the lateral cutaneous nerve of the thigh. This nerve supplies feeling to the upper, ... Kim, Y.; Azuma, H. (1995). "The nerve endings of the acetabular labrum". Clinical Orthopaedics and Related Research (320): 176- ... and pudendal nerves. The pudendal nerves supply feeling to the reproductive organs. Persistent inflammation to the soft tissue ...
Glossary of diabetes
Epinephrine (adrenaline) a "neurotransmitter" at sympathetic nerve endings. And a hormone which has effects throughout the body ... Mononeuropathy A form of diabetic neuropathy affecting a single nerve. The eye is a common site for this form of nerve damage. ... Nerve conduction studies Tests to determine nerve function; can detect early neuropathy. Neurologist a physician specializing ... Electromyography EMG Test used to diagnose neuropathy and check for nerve damage. It uses electrodes to measure speed of nerve ...
Pathophysiology of asthma
Whenever these afferent nerve endings are stimulated (for example, by dust, cold air or fumes) impulses travel to the brain- ... The parasympathetic reflex loop consists of afferent nerve endings which originate under the inner lining of the bronchus. ... Acetylcholine is released from the efferent nerve endings. This acetylcholine results in the excessive formation of inositol 1, ...
Marthe Vogt
Vogt coauthored a paper with Dale and Wilhelm Feldberg: 'Release of Acetylcholine at Voluntary Motor Nerve Endings' in 1936. ... Dale, H.H.; Feldberg, W.; Vogt, M. (1936). "Release of Acetylcholine at Voluntary Motor Nerve Endings". Journal of Physiology. ... Dale, H.H.; Feldberg, W.; Vogt, M. (1936). "Release of Acetylcholine at Voluntary Motor Nerve Endings". Journal of Physiology. ... "Sir Henry Dale - Nobel Lecture: Some Recent Extensions of the Chemical Transmission of the Effects of Nerve Impulses". www. ...
Synaptic vesicle
With the advent of the electron microscope in the early 1950s, nerve endings were found to contain a large number of electron- ... Gray EG, Whittaker VP (1962). "The isolation of nerve endings from brain: an electron microscopic study of cell fragments ... Fatt, P.; Katz, B. (May 28, 1952). "Spontaneous subthreshold activity at motor nerve endings" (PDF). The Journal of Physiology ... Whittaker VP, Michaelson IA, Kirkland RJ (1964). "The separation of synaptic vesicles from nerve ending particles (' ...
Jacob Rhame
On August 13, 2019, Rhame underwent ulnar nerve transposition surgery, ending his season. On July 8, 2020, Rhame was claimed ... "Jacob Rhame undergoes season-ending ulnar nerve surgery". 13 August 2019. "Minor MLB Transactions: 12/14/20". "Pacific Coast ...
Tactile corpuscle
... and some free nerve endings. Also, tactile corpuscles do not detect noxious stimuli; this is signaled exclusively by free nerve ... This corpuscle is a type of nerve ending in the skin that is responsible for sensitivity to pressure. In particular, they have ... Tactile corpuscles are encapsulated myelinated nerve endings, surrounded by Schwann cells. The encapsulation consists of ... A single nerve fiber meanders between the lamellae and throughout the corpuscle.[citation needed] They are distributed on ...
GPR55
Kress M, Kuner R (Jun 2009). "Mode of action of cannabinoids on nociceptive nerve endings". Experimental Brain Research. 196 (1 ...
Acorn worm
... numerous nerve endings throughout the skin. Acorn worms have a Y-shaped nuchal skeleton that starts their proboscis and collar ... A plexus of nerves lies underneath the skin, and is concentrated into both dorsal and ventral nerve cords. While the ventral ... This part of the dorsal nerve cord is often hollow, and may well be homologous with the brain of vertebrates. In acorn worms, ...
Mechanoreceptor
Free nerve endings detect touch, pressure, stretching, as well as the tickle and itch sensations. Itch sensations are caused by ... They are all innervated by Aβ fibers, except the mechanorecepting free nerve endings, which are innervated by Aδ fibers. ... Each muscle spindle consists of sensory nerve endings wrapped around special muscle fibers called intrafusal muscle fibers. ... Slowly adapting: Slowly adapting mechanoreceptors include Merkel and Ruffini corpuscle end-organs, and some free nerve endings ...
Juxtaoral organ of Chievitz
Close relations exist between epithelial cells and nerve endings. Histochemically, the parenchyma displays a characteristic ... embedded in connective tissue particularly rich in nerve fibers and sensory receptors. ...
Mental disorders diagnosed in childhood
This stretching causes the nerve endings to become dull. The child may not feel when they need to eliminate the feces or if the ...
Feature detection (nervous system)
Adrian ED, Zotterman Y (April 1926). "The impulses produced by sensory nerve-endings: Part II. The response of a Single End- ... Auditory nerve fibers take this slightly-processed sensory information to the cochlear nucleus where information either ... E.D. Adrian, Barlow's advisor, was the discoverer of the frequency code-the observation that sensory nerves convey signal ...
Fascia
... l tissues are frequently innervated by sensory nerve endings. These include myelinated as well as unmyelinated nerves. ... It serves as a storage medium of fat and water; as a passageway for lymph, nerve and blood vessels; and as a protective padding ... A fascial compartment is a section within the body that contains muscles and nerves and is surrounded by fascia. In the human ... In doing so, fasciae provide a supportive and movable wrapping for nerves and blood vessels as they pass through and between ...
Pit viper
The membrane has many nerve endings packed with mitochondria. Succinic dehydrogenase, lactic dehydrogenase, adenosine ...
Latrotoxin
α-LTX affects motor nerve endings and endocrine cells. No major enzymatic activities are associated. Instead, the toxin can ... The N-terminus of the α-LTX precursor molecule is preceded by short hydrophilic sequences ending with a cluster of basic amino ... This causes nerve terminal swelling. Further membrane potential disturbances occur due to permeability of small molecules, such ...
Terry Robb
"Opening Nerve Endings Concert Launches into Deep Space Fine." The Oregonian, Sep. 24, 1998. Anderson, Rick. "Terry Robb, ...
Thoracic outlet syndrome
Halsted A (July 5, 2014). "Garcia to have season-ending surgery for nerve issue". MLB.com. Archived from the original on July ... a similar compressive pathology involving the long thoracic nerve, or adjacent brachial plexus nerves "NINDS Thoracic Outlet ... In cases where the first rib (or a fibrous band extending from the first rib) is compressing a vein, artery, or the nerve ... Initially, it was believed that 95 percent of patients with TOS had nerve compression in the scalene area, but in the twenty- ...
Roxy Willis
So it's quite nerve-wracking and scary, and of course she wants to help David, but she's got a lot on her mind." When David's ... However, they are at very different stages of their lives." "I hope that they have a happy ending, I really do, because I love ... She was also glad they got their happy ending, saying "Quite often, you don't see couples just being happy and positive. But ... Their departures had been planned and scripted before it was announced Neighbours would be ending later that year. Kyle and ...
Dal-ja's Spring
Seon-joo is something of a diva, and constantly gets on Dal-ja's nerves. She is a master at the dating game, and with her ... 2007 South Korean television series endings, Korean-language television shows, South Korean romantic comedy television series, ...
Misfits of Science
... via hormonal treatments which he activates by pressing a nerve on the back of his neck. A recurring joke after such ... 1986 American television series endings, American superhero comedy television series, English-language television shows, NBC ...
Friday Night Lights: A Town, a Team, and a Dream
He is portrayed by Bissinger as a boy who is mostly level-headed, but prone to nerves. His play is unspectacular but effective ... was devastated at the prospect of the season ending so early. Permian, Midland High and Midland Lee are all tied with one ...
1970 in the United Kingdom
... effectively ending the band. Richard Branson started the Virgin Group with discounted mail-order sales of popular records. The ... "for their discoveries concerning the humoral transmittors in the nerve terminals and the mechanism for their storage, release ...
Voltage-gated ion channel
They also play a role in neurotransmitter release in pre-synaptic nerve endings. In most cells, Ca2+ channels regulate a wide ...
Lester Brockelhurst
"Slaying Suspect's Nerves Give Way". The Evening Star. May 16, 1937. "Quick Trial Faced by Brockelhurst". The Evening Star. May ... Before being strapped to the chair, he gave a 12-minute statement, ending it with a rant about his affair with Bernice. His ...
Beautiful (Mariah Carey song)
On the R&B charts, it debuted at number 39 on the Hot R&B/Hip-Hop Songs chart for the week ending May 18, 2013, due to strong ... We're dealing right now with a dislocated shoulder, fractured rib, nerve injury...But MC's a navy seal, like I told her, she's ... On the R&B Songs chart, "#Beautiful" debuted at number 16 for the week ending May 18, 2013, and rose to number two the ... "ARIA Urban Singles Chart Week ending on 10 June". ARIA.com.au. Archived from the original on February 27, 2014. Retrieved June ...
Eri Lamçja
It was also his first goal since April 2017, ending a barren run of 22 matches in all competitions without scoring. He ... "Luftëtari zbraz nervat e gjithë sezonit dhe turpëron Partizanin" [Luftëtari empties the whole season nerves and humiliates ...
Max Steel (2000 TV series)
His main weapon is his right bionic arm, which can change into a claw or a laser gun, presumably by nerve signals. In ... Supervising Director After the official ending of the original series, due to the success of the action figure in Latin America ... 2002 American television series endings, 2000s Canadian animated television series, 2000 Canadian television series debuts, ... 2002 Canadian television series endings, American computer-animated television series, Canadian computer-animated television ...
Psychological stress and sleep
This relationship leads to a never-ending cycle of being too stressed to sleep and then being unable to control one's anxieties ... in one's body directly affect glucose levels since the fight-or-flight response causes increased hormone levels as one's nerve ... body's release of adrenaline and cortisol into the bloodstream causes an inability to process the glucose released by the nerve ...
Parsonage-Turner syndrome
Involvement of the deltoid is more variable, as it is innervated by the axillary nerve. Diagnosis often takes three to nine ... Occasionally, there will be no pain and just paralysis, and sometimes just pain, not ending in paralysis.[citation needed] MRI ... Parsonage-Turner involves neuropathy of the suprascapular nerve in 97% of cases, and variably involves the axillary and ... and suprascapular nerve impingement at the spinoglenoid notch, which predominantly involves the infraspinatus. Despite its ...
Sumatriptan
... is effective for ending or relieving the intensity of migraine and cluster headaches. It is most effective when ... Sumatriptan is also shown to decrease the activity of the trigeminal nerve, which presumably accounts for sumatriptan's ...
Dominic Thiem
This time, he came through to win, ending Nadal's 21-match and record 50-set winning streak on clay. Thiem had been the last ... However the dynamic changed, Thiem overcame his nerves to win the match in a fifth set tiebreak. At the 2021 Madrid Open, ... He returned to the top 100 on 31 October 2022, ending his 2022 season. Thiem and Rafael Nadal have met 15 times; Thiem trails 6 ... Cambers, Simon (8 June 2019). "Thiem tasked with facing Nadal in final after ending Djokovic's slam streak". The Observer. ISSN ...
Bilirubin glucuronide
Furthermore, those affected may develop kernicterus (deposits of pigment in the brain) that can cause nerve degeneration. In ... and from ending up increasing glomerular filtration. Nevertheless, there is still a little portion of indirect bilirubins stays ...
Bennet family
It is worth noting that Mr Bennet refers to her nerves as his 'old friends, stating: "You mistake me, my dear. I have a high ... preferring instead to withdraw from the never-ending marriage concerns of the women around him rather than offer help (not ... Bennet has a closer relationship with Mrs Bennet's "poor nerves" than Mrs Bennet herself. ... "poor nerves")), since it clouded his future and that of his daughters, given that she and her husband were unable to have a boy ...
Joseph Conrad
Ending a passage that describes the condition of chained, emaciated slaves, the novelist remarks: "After all, I also was a part ... nerve-wracked man, who did not ask from his wife high intelligence, only an assuagement of life's vibrations.... He made me ... including their endings. Comparative-literature scholar Yves Hervouet has demonstrated in the text of Victory a whole mosaic of ... but the moment after he was talking again wisely and soberly as if he were an average Englishman with not an irritable nerve in ...
Histamine H3 receptor
... mediates the histamine H3-receptor-induced attenuation of norepinephrine exocytosis from cardiac sympathetic nerve endings". ...
Angelina Jolie
Jolie is fierce in her portrayal-filling the part with nerve, charm, and desperation-and her role in this film is quite ... Her Q Score remained above average even when, in 2005, she was accused of ending Brad Pitt's marriage to Jennifer Aniston, at ...
2009 Baltimore Ravens season
In a nerve-wracking fourth quarter, Minnesota increased its lead with Favre finding Shiancoe again on a 1-yard touchdown run. ... Game Book This victory allowed the dethroning of the defending world champion Pittsburgh Steelers and ending the latter team's ...
Scleral tattooing
The procedures were "effectively painless because there aren't nerve endings in the surface of the eye," says the article's ...
Crash Twinsanity
Level/area: Ending cutscene. Doctor Neo Cortex: You know, Crash, for all these years I've been wrong about you. Your creation ... "ended up wearing on my nerves after a while". Soboleski praised the voice-acting as "well done, with the right amount of ...
Roger Rabbit
The Roger Rabbit comic book line lasted 18 issues, ending at the time of the Disney Comics implosion. However, new stories ... "13 Things You Never Knew About 'Who Framed Roger Rabbit'". NERVE. Retrieved 5 May 2017. Rovin, Jeff (1991). The Illustrated ...
Reality (David Bowie album)
Visconti described the ending result as a guitar that "was never meant to sound so good". Like previous releases, bass, ... On 23 June, Bowie was forced to end the show early due to what medical personnel deemed a pinched shoulder nerve. Although he ... "Top 75 Artist Album, Week Ending 18 September 2003". Irish Recorded Music Association. Chart-Track. Archived from the original ...
Dragon Quest
"XIIX Perform New Ending Theme for Dragon Quest: Adventure of Dai Anime". Anime News Network. March 19, 2021. Retrieved June 27 ... nerves if the tempo isn't right." He believes players should be able to control the game unconsciously, which is not easy to ... the reader determines the next course of action and the stories have multiple endings. Other printed titles released in 1989 ...
American Psycho (film)
Finnish melodic death metal band Children of Bodom used the film's ending monologue "My pain is constant and sharp and I do not ... the horrific and hilarious American Psycho can still strike a raw nerve". In a somewhat positive review for Slate magazine, ...
July 1969
American nerve gas weapons were accidentally released from their containers by a crew of U.S. Air Force members at Kadena Air ... Nixon made "a secrecy-cloaked one day trip to Vietnam", ending speculation of whether Nixon would make an unscheduled side trip ... Despite attempts by the military to keep the incident secret (including plans to dump the damaged nerve gas containers into the ... The mishap, which injured 23 troops and a civilian, involved either VX or Sarin, both nerve agents. Henry Kissinger, the ...
Foreign relations of the United Kingdom
2018 - Sanctions on Russia following the poisoning of Sergei Skripal using a nerve agent in Salisbury, England included the ... 1946-1949 - involved in Greek Civil War 1945-1948 - administration of the Mandate for Palestine, ending with the establishment ...
I Was Monty's Double (film)
Even with a somewhat fictionalized ending, there is a documentary flavor about it which is absorbing. Plenty of-news footage ... James having last-minute nerves, James getting up on stage and worrying about blowing it." Stephen Watts, who was involved in ...
Dementia with Lewy bodies
MIBG is taken up by sympathetic nerve endings, such as those that innervate the heart, and is labeled for scintigraphy with ... Autonomic dysfunction resulting from damage to nerves in the heart in patients with DLB is associated with lower cardiac uptake ... "Degeneration of the cardiac sympathetic nerves is a neuropathological feature" of the Lewy body dementias, according to Yamada ... They are most frequently due to primary neurodegenerative disease, resulting in the loss of dopaminergic nerve terminals along ...
You've Never Seen Nerve Endings Like These | Smart News|
Smithsonian Magazine
Scientists produce the most detailed images of nerve endings ever made ... Youve Never Seen Nerve Endings Like These Scientists produce the most detailed images of nerve endings ever made ... Nerve endings (red) form "baskets" at the base of individual hair follicles (blue). Photo: EMBL/L. Castaldi ... Complexly branching nerve endings (red) under the skin. Photo: EMBL/S. Morley ...
Erowid.org: Erowid Reference 60 : Studies on the role of dopamine in the degeneration of 5-HT nerve endings in the brain of...
Green AR Studies on the role of dopamine in the degeneration of 5-HT nerve endings in the brain of Dark Agouti rats following 3 ... "Studies on the role of dopamine in the degeneration of 5-HT nerve endings in the brain of Dark Agouti rats following 3,4- ... 1. We investigated whether dopamine plays a role in the neurodegeneration of 5-hydroxytryptamine (5-HT) nerve endings occurring ... "Studies on the role of dopamine in the degeneration of 5-HT nerve endings in the brain of Dark Agouti rats following 3,4- ...
RESOLUTION OF THREE DISTINCT POPULATIONS OF NERVE ENDINGS FROM RAT BRAIN HOMOGENATES BY ZONAL ISOPYCNIC CENTRIFUGATION |...
RESOLUTION OF THREE DISTINCT POPULATIONS OF NERVE ENDINGS FROM RAT BRAIN HOMOGENATES BY ZONAL ISOPYCNIC CENTRIFUGATION Ursula ... The three types of nerve endings differ in their apparent specific gravity, their biochemical properties, and their ability ... Ursula Bretz, Marco Baggiolini, Rolf Hauser, Christian Hodel; RESOLUTION OF THREE DISTINCT POPULATIONS OF NERVE ENDINGS FROM ... cholinergic nerve endings, characterized by their high content of acetylcholine, (b) γ-amino butyric acid (GABA)-containing ...
Relationship between structure, molecular phenotype and function of corneal sensory neurons and their nerve terminal endings
A previous study had demonstrated that the TRPM8-IR nerve terminals of putative cold thermoreceptors form complex endings that ... and their nerve terminal endings in guinea pigs and mice. In addition, the thesis has investigated the effects of metabolic ... showing that CGRP expressing TRPV1-IR nerve terminals in the guinea pig cornea had simple endings that terminated in the basal ... whereas the TRPV1-IR nerve terminals that did not express CGRP had ramifying endings that terminated in squamous cell layer. ...
IMSEAR at SEARO: Afferent nerve endings in the ureter of man and dog
In the submucosal region of the juxtavesical ureter encapsulated nerve endings and diffuse nerve endings were observed to be ... Afferent nerve endings in the ureter of man and dog. Burma Medical Journal. 1983; 29(3): 255-261. ... These endings are regarded to serve as anatomical basis for pain apart from other modalities. ...
EAGULLS: NEW SINGLE 'NERVE ENDINGS' - London On The Inside
Clitoris has about 2,000 more nerve endings than previously known - Salutio.org
Clitoris has about 2,000 more nerve endings than previously known. Explorer Clitoris has about 2,000 more nerve endings than ... Number of nerves in the clitoris. The clitoris contains two dorsal nerves, which have nerve fibers responsible for sending ... Peters, who is a plastic surgeon and specializes in gender-affirming surgery, discovered the number of nerve endings in the ... The dagger nerve has 18,000 nerve fibers which, compared to the 10,000 found in the clitoris, demonstrates the high sensitivity ...
Por que cócegas podem causar prazer em uns e pânico em outros - BBC News Brasil
Sound Effects & Royalty Free Music | SoundDogs
Pediatric Headache Workup: Approach Considerations, Laboratory Studies, Lumbar Puncture
The latter further stimulates the nerve endings. On the other end of the nerve, painful messages are transmitted toward central ... The trigeminal nerve fibers around basal cerebral and meningeal vessels are triggered (various stimuli are possible), and a ... vicious cycle starts in which the nerve terminals release calcitonin gene-related peptide (CGRP), substance P, vasoinhibitory ...
Cancer treatments: MedlinePlus Medical Encyclopedia
Profiling of neuropeptides released at the stomatogastric ganglion of the crab, Cancer borealis with mass spectrometry
Nerve Endings / drug effects * Nerve Endings / physiology * Neurons / physiology * Neuropeptides / metabolism* * Potassium / ... Both electrical stimulation of projection nerves and depolarization with high K+ saline were used to evoke release. Releasates ... We have identified neuropeptides released by electrical stimulation of nerves that contain the axons of the modulatory ...
Stress, mental state and cancer - Pillar IV | CANCERactive
And these organs are full of nerve endings too.. Each Chakra is linked to a higher level of mental state - be it your rooting ... Nerves and Brains. To the right is the classic diagram of a nerve. Nerves can run from the brain to the finger tip, or to the ... This, for example, is the basis of reflexology, where problems in organs can be detected by touching the relevant nerve endings ... Nerves operate in channels up and down the body via the spinal column and when a current runs there is a magnetic field ...
Disorders of Taste and Smell: Introduction and Background, Anatomy and Physiology, Etiology of Smell and Taste Disorders
Free trigeminal nerve endings, which are stimulated by aversive or pungent stimuli (eg, ammonia, menthol), exist in the nasal ... the chorda tympani branch of the facial nerve, the glossopharyngeal nerve, the vagus nerve) or their ganglia may cause a ... Free trigeminal nerve endings exist on the tongue; these detect strong, often displeasing or irritating sensations in the oral ... The cholinergic mechanism is probably related to taste transduction via free nerve endings because these patients have no taste ...
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Got Cat Declawed want to provide honest information for others thinking about it - Pet forum for dogs cats and humans - Pets.ca
5-HT1D-like receptors inhibit the release of endogenously formed [3H]GABA in human, but not in rabbit, neocortex | Semantic...
Trigeminal Nerve Anatomy: Gross Anatomy, Branches of the Trigeminal Nerve, Microscopic Anatomy
The trigeminal nerve is the largest and most complex of the 12 cranial nerves (CNs). It supplies sensations to the face, mucous ... Sensory nerve endings that respond to stimuli and convert them to nervous energy toward the central nervous system are called ... Lingual nerve - This nerve runs parallel to the inferior alveolar nerve, is joined by the chorda tympani nerve of the facial ... The mandibular nerve has the following 9 branches:. * Recurrent meningeal nerve - This nerve enters the skull via the foramen ...
Dam protective spelt pillow By A.D. TRADE BT, Hungary
When will we see a herpes cure? - The Chart - CNN.com Blogs
It destoryes the nerve endings. But, most doctors today will not do it. So try to talk your doctor to see if he or she agrees ... yes I have the same thing in my hip and legs, I also had meningitis and this herpes went to the nerves on the base of my neck, ... Yes, Ive heard a number of times that the herpes viri are partial to specific nerves but, in my case, I can tell when an ... it now has damaged my vestibuler nerve I have a hard time walking because Im so dizzie, it comes and goes about every month. ...
Cells | Free Full-Text | Nerve, Muscle, and Synaptogenesis
... with some synapses being induced by nerve contact while others involve the incorporation of prepatterned postsynaptic ... Dale, H.H.; Feldberg, W.; Vogt, M. Release of acetylcholine at voluntary motor nerve endings. J. Physiol. 1936, 86, 353-380. [ ... Langley, J.N. On the reaction of cells and of nerve-endings to certain poisons, chiefly as regards the reaction of striated ... A,B) After several days of nerve-muscle co-culture, staining with an antibody to agrin is marked in upper nerve-muscle contact ...
Plus it
1926) The impulses produced by sensory nerve endings. 3. Impulses set up by touch and pressure. J Physiol 61:465-483. ... 1992) Auditory-nerve action potentials form a nonrenewal point process over short as well as long time scales. J Acoust Soc Am ... 1952) A quantitative description of membrane current and its application to conduction and excitation in nerve. J Physiol 117: ... 1996) The periodogram and allan variance reveal fractal exponents greater than unity in auditory-nerve spike trains. J Acoust ...
FibersSensory neuronsTrigeminal nerveStimulateSensationsDopamineTransmit painStimulatesReceptorsSpinal cordHypersensitivityGangliaDecreasesSkinDamageScientistsUnpleasantSwellInduceAxonsAnusSpineInflammationCellsPain signalsMuscleExposureBrainTissueTerminalStructuresMusclesMusculoskeletalIncreasesAnatomicalMitochondriaRatsRootsMakesElectricalReactionSensitiveDrugBlood supplySurgeryLumbarBodiesBodyHandsRegionWorkTouch
Fibers10
- Considered unheard of in the medical field, the researchers counted all the nerve fibers present in the clitoris. (salutio.org)
- The clitoris contains two dorsal nerves, which have nerve fibers responsible for sending signals to the brain. (salutio.org)
- The dagger nerve has 18,000 nerve fibers which, compared to the 10,000 found in the clitoris, demonstrates the high sensitivity present in the genital organ. (salutio.org)
- So that the constructed penis can generate pleasure, tissue is removed from areas such as the forearm and thigh, which have a large amount of nerve fibers. (salutio.org)
- It is the motor nerve for the muscles of mastication and contains proprioceptive fibers. (medscape.com)
- Burkett et al successfully visualized trigeminal fibers entering the pons at the nerve root entry zone (NREZ) and descending through the spinal trigeminal tract using robust diffusion-tensor imaging (DTI). (medscape.com)
- Shrager P (1993) Axonal coding of action potentials in demyelinated nerve fibers. (yale.edu)
- The pain involved in vulvodynia is neuropathic, which means it stems from abnormal signals from the nerve fibers in the vulval area. (moreliaclinic.com)
- Branch-like terminations of NERVE FIBERS , sensory or motor NEURONS. (bvsalud.org)
- 1. The presence of nerve fibers in contact with touch, the "emotional touch", which is vital for the the skin surface skin cells (keratinocytes) survival and maintenance of our species. (bvsalud.org)
Sensory neurons1
- Endings of sensory neurons are the beginnings of afferent pathway to the CENTRAL NERVOUS SYSTEM . (bvsalud.org)
Trigeminal nerve3
- The trigeminal nerve is the largest and most complex of the 12 cranial nerves (CNs). (medscape.com)
- Schematic representation of the trigeminal nerve with its central connections. (medscape.com)
- The semilunar (gasserian or trigeminal) ganglion is the great sensory ganglion of CN V. It contains the sensory cell bodies of the 3 branches of the trigeminal nerve (the ophthalmic, mandibular, and maxillary divisions). (medscape.com)
Stimulate2
- Practitioners believe that mudras stimulate these nerves, which in turn communicate with the brain. (healthline.com)
- Massaging nodules relax away stress and stimulate key nerve endings for health and wellness. (feetperfectly.com)
Sensations1
- it works by temporarily deadening nerve endings to reduce pain sensations. (totalcryo.com)
Dopamine3
- 1. We investigated whether dopamine plays a role in the neurodegeneration of 5-hydroxytryptamine (5-HT) nerve endings occurring in Dark Agouti rat brain after 3,4-methylenedioxymethamphetamine (MDMA or 'ecstasy') administration. (erowid.org)
- 7. The increased extracellular dopamine concentration following MDMA may result from effects of MDMA on dopamine re-uptake, monoamine oxidase and 5-HT release rather than an 'amphetamine-like' action on dopamine release, thus explaining why the drug does not induce degeneration of dopamine nerve endings. (erowid.org)
- These three particle populations are likely to represent, in order of increasing modal equilibrium density, ( a ) cholinergic nerve endings, characterized by their high content of acetylcholine, ( b ) γ-amino butyric acid (GABA)-containing nerve endings with high glutamate decarboxylase activity and the ability to accumulate exogenous GABA, ( c ) adrenergic nerve endings that accumulate exogenous dopamine and noradrenaline and exhibit high monoamine oxidase activity. (rupress.org)
Transmit pain2
- Basically you are distracting the nerve endings that transmit pain). (empowher.com)
- A nerve block is an anesthetic drug that is injected into the nerves that transmit pain signals, in this case, from the vulva to the spine. (moreliaclinic.com)
Stimulates2
- Menthol initially stimulates the nerve endings, but continued exposure desensitizes the nerve endings and decreases pain sensitivity. (medicinenet.com)
- P. The needles stimulates specific R. Martin's neighbour told him that Q. And whatever the gloomy politi- nerves that transmit electrical he must buy a parrot. (monsoonmalabar.com)
Receptors3
- To make them, the team turned to technique called SNAP-tagging, which allowed them to assign fluorescent color to individual structures in mice nerves, touch receptors and hair follicles. (smithsonianmag.com)
- Do you think animals don't have nerve endings or pain receptors? (pets.ca)
- A burn, cut, or other painful stimuli like spicy food activates receptors on the skin's nerve endings. (medlineplus.gov)
Spinal cord4
- The nerves quickly send this message to the brain or spinal cord, which then immediately commands the muscles to take your hand away. (kidshealth.org)
- A spinal infusion pump is an implanted device that can deliver low-dose medication to the spinal cord and nerve roots. (moreliaclinic.com)
- The fluid inside herniated discs is an irritant to the delicate soft tissues of the spinal cord, none the least being the nerves. (brunswickchiropractor.com)
- People with neurologic and neurodevelopment conditions (including disorders of the brain, spinal cord, peripheral nerve, and muscle such as cerebral palsy, epilepsy [seizure disorders], stroke, intellectual disability, moderate to severe developmental delay, muscular dystrophy, or spinal cord injury). (cdc.gov)
Hypersensitivity2
- This hypersensitivity matched observed degradation of nerve endings in palmar skin. (cdc.gov)
- Vulval pain can happen for a number of reasons, but vulvodynia and vestibulodynia are specifically linked to a hypersensitivity of the nerve endings in the skin. (moreliaclinic.com)
Ganglia2
- Spread of the virus to and from the nerve ganglia groups demonstrated a similar disease progression in rabbits occurs by axonal transport, which has been demonstrated for B inoculated with nerve tissue from patient W.B. and character- virus in experimentally infected mice (7). (cdc.gov)
- Neither group was able to pro- lishes latency in the nerve ganglia. (cdc.gov)
Decreases1
- This decompression promotes increased blood flow and lymphatic flow, which decreases inflammation and relieves pressure from free nerve endings. (westernvet.com)
Skin11
- Complexly branching nerve endings (red) under the skin. (smithsonianmag.com)
- Bundles of nerves that relay information collected by touch sensors on the skin to the mouse's spinal chord and brain. (smithsonianmag.com)
- When your skin is touched, the nerve endings underneath send electrical signals to the brain. (bbc.com)
- The nerve endings in their eyes are very close to the surface of their skin. (oxfordpets.com)
- Menthol reduces pain by counterirritation of nerve endings under the skin. (medicinenet.com)
- Sometimes the tingling nerve pain is so bad, I can't walk, or I don't want anything touching my skin. (brainline.org)
- Nociceptors for pain also appear to be "free nerve" endings in skin and muscle. (cdc.gov)
- For example, almost a third of people with diabetes have a skin problem due to damaged nerve endings and blood vessels. (magicandbeauty.blog)
- Sea salt dispersed in the air is especially beneficial for nerve endings in the skin. (magicandbeauty.blog)
- Like the feet, the skin on your hands is generally thin, and there are a lot of nerve endings in this area. (unitedstatesnews.net)
- The inner elbow is another location on the body with thin skin and many nerve endings. (unitedstatesnews.net)
Damage7
- In addition to possible advances in the surgical field, the discovery may also help in the diagnosis and treatment of different complications that cause nerve damage. (salutio.org)
- I had extensive nerve damage in my foot, which made it very painful to put on or remove my socks. (whdh.com)
- We found that the HRLF task produced upper extremity musculoskeletal and nerve tissue damage, inflammation and sensorimotor declines, but that the LFLF task did not. (cdc.gov)
- The damage to bone and nerve was more pronounced in aged than in young rats and did not show recovery. (cdc.gov)
- Nerve damage, pain, neuropathy are all caused by enzymes that attack the nerve endings. (magicalmothering.com)
- Used for sciatica nerve damage, best relief without the drug side effects. (magicalmothering.com)
- The reason is suggested to be damage to the nerve during the operation that supplies to the sexual organs. (alldaychemist.com)
Scientists2
- European scientists just released the most detailed images of nerves ever produced, the Verge reports . (smithsonianmag.com)
- NIDCR scientists used fluorescence microscopy to visualize pain signaling in mice's facial nerves. (medlineplus.gov)
Unpleasant2
- The silica in the pillow calms the nerve endings, so the unpleasant pain they feel during sitting is somewhat relieved during use. (tradekey.com)
- The venom acts on nerve endings causing the very unpleasant symptoms of latrodectism . (wikipedia.org)
Swell2
- The nerve endings swell up as a result of the high temperature. (kent.co.in)
- Nerves that have become exposed to this fluid often swell in response. (brunswickchiropractor.com)
Induce1
- A local and systemic inflammatory response appears to induce nerve fibrosis and significant declines in bone formation with continued task performance. (cdc.gov)
Axons4
- We have identified neuropeptides released by electrical stimulation of nerves that contain the axons of the modulatory projection neurons to the stomatogastric ganglion of the crab, Cancer borealis. (nih.gov)
- They start out small, initially causing few or no symptoms, but as they built up in the axons, they begin to destroy the cytoskeleton, the internal framework of the cells, increasingly interfering with the transmission of signals from the nerve cells. (salk.edu)
- Eventually the affected axons die, followed by the death of the nerve cell itself. (salk.edu)
- Endings of motor neurons are the terminals of axons at the muscle cells. (bvsalud.org)
Anus1
- The concentration of nerve endings in and around the rim of the anus mean that it's. (telegra.ph)
Spine1
- When she contracted transverse myelitis as a baby, it damaged her spine and nerve endings, and left her paralysed from the waist down. (verm-x.com)
Inflammation1
- This incredible potion gets to the root cause of Nerve and Inflammation issues. (magicalmothering.com)
Cells5
- Menthol works by stimulating transient receptor potential melastatin-8 (TRPM8) receptor, a protein on nerve cells (neurons) that detects the sensation of cold. (medicinenet.com)
- 1 These nerve cells play a significant role in whether physical activity is done easily and well or, instead, results in an injury. (avonworthchiropractic.com)
- The technique they used―called "fluorescence microscopy"―allowed the research team to watch this happen in real time as the individual cells in the mice's facial nerves responded to each of the stimuli. (medlineplus.gov)
- The nerve cells responded the same way to light brushing as they did to heat and chili extract. (medlineplus.gov)
- The infected cells are lysed, releasing virus to spread to on the hand by an apparently healthy rhesus macaque ( Macaca other cells and sensory nerve endings, although direct entry mulatta ) and died of progressive encephalomyelitis 15 days into neurons without replication can occur (3). (cdc.gov)
Pain signals1
- Researchers at the National Institute of Dental and Craniofacial Research used an innovative technique to visualize pain signals in mice's facial nerves in real time. (medlineplus.gov)
Muscle2
- I'd rather have muscle pain over Nerve pain. (brainline.org)
- Both migraines and tension-related headaches can be caused by the incorrect alignment of the nerves or muscle tension in the neck. (reinhardtchiropractic.com)
Exposure2
- Sensory nerve ending structures after 5 weeks of vibration exposure. (cdc.gov)
- The reason is exposure to sunlight for long hours stresses the nerves and tissues of your head. (kent.co.in)
Brain5
- This tissue is connected with the nerves of the genital region, allowing the transmission of sensory signals about sexual pleasure can be sent to the brain. (salutio.org)
- The nerve endings inside the pulp send messages to the brain about what's going on ("That ice cream is too cold! (kidshealth.org)
- and vitamin C, which is "highly concentrated in brain nerve endings. (ift.org)
- There are so many nerve endings in our soles that can produce the reflex effect from the ovaries to the brain. (spreadshub.com)
- For example, touching an exact point of the heel achieves a reflex in the ovaries or testes, while nerve connections with the brain are found in the fingers. (spreadshub.com)
Tissue2
- Both groups demonstrated a similar disease progression in rabbits inoculated with nerve tissue from patient W.B. and characterized the agent as a herpesvirus. (cdc.gov)
- The mental nerve is a branch of the inferior alveolar nerve which emerges through the mental foramen, and supplies sensory innervation for the lower lip, buccal surface and gingival tissue as far as the mesial region of the 1st lower molar. (bvsalud.org)
Terminal1
- The long terminal axon is elliptical in section, is provided with juxtaposed filopod pro- cesses, and has a bulbous ultraterminal ending from whose entire surface filopod processes emanate in a hydra-like array. (cdc.gov)
Structures1
- In place of a unitary mechanism for neuromuscular synapse formation, studies in both mice and zebrafish have led to the proposal that two mechanisms mediate synaptogenesis, with some synapses being induced by nerve contact while others involve the incorporation of prepatterned postsynaptic structures. (mdpi.com)
Muscles1
- Sometimes what you feel is dangerous, so the nerve endings work with your muscles to keep you from getting hurt. (kidshealth.org)
Musculoskeletal1
- Your nerve system and your musculoskeletal system do all the calculations required to enable you to work safely from the top step of your ladder. (avonworthchiropractic.com)
Increases1
- One pump heightens awareness, stirs the nerve endings, and increases pleasure. (naughtynorth.ca)
Anatomical1
- These endings are regarded to serve as anatomical basis for pain apart from other modalities. (who.int)
Mitochondria1
- Starting from postnuclear supernates of forebrain homogenates, it has been possible to resolve three distinct populations of nerve endings from one another, as well as from free mitochondria and myelin fragments. (rupress.org)
Rats1
- With continued performance or the HRLF task for 3 months, significant declines in median nerve conduction velocity was present bilaterally in aged rats. (cdc.gov)
Roots1
- in some cases, the inner core of the discs leak proteins that can inflame the nerve roots. (brunswickchiropractor.com)
Makes1
- The sounds, those sexy sounds she makes, radiating along my nerve endings. (dogeareddaydreams.com)
Electrical2
- Both electrical stimulation of projection nerves and depolarization with high K+ saline were used to evoke release. (nih.gov)
- Neurostimulation involves delivering low-voltage electrical stimulation to a specific nerve. (moreliaclinic.com)
Reaction1
- Their findings, reported in the current issue of the Journal of Neuroscience , show how neurodegenerative disease starts, initiating in the nerve ending and inducing gradual changes, like a chain reaction over a long time. (salk.edu)
Sensitive1
- Additionally, the feet have many nerve endings, which can make the tattooing process more sensitive. (unitedstatesnews.net)
Drug1
- I should check with my sleep specialist, and see if they could check with the drug manufacturer and answer the questions concerning FDA approval for nerve pain patients. (brainline.org)
Blood supply2
- The pulp is where each tooth's nerve endings and blood supply are found. (kidshealth.org)
- Because they have no blood supply and few nerve endings, discs are unable to repair themselves. (brunswickchiropractor.com)
Surgery2
- Peters, who is a plastic surgeon and specializes in gender-affirming surgery, discovered the number of nerve endings in the clitoris while studying the possibilities of surgically constructing a penis in transgender men. (salutio.org)
- During surgery, doctors preserved nerve endings. (whdh.com)
Lumbar1
- When a lumbar herniated disc presses on a nerve root, it can cause radiating pain, numbness and weakness in other areas of the body, including the buttocks, leg, ankles and toes. (brunswickchiropractor.com)
Bodies1
- Releasing the pain they cause, healing the nerve endings, and creating a vital impact on the bodies ability to heal once again. (magicalmothering.com)
Body1
- The leg has 7,200 nerve endings connected to all areas and organs of our body. (sabon.ro)
Hands3
- Our hands have a network of nerves and nerve endings. (healthline.com)
- According to Huber, it's best to start by rubbing the fronts and backs of the hands together to heat them up and activate the nerve endings. (healthline.com)
- The reason we should take care of our nails and ensure that they are healthy and strong has to do with their primary purpose" to protect the nerve endings in our hands and feet. (29secrets.com)
Region2
- In the submucosal region of the juxtavesical ureter encapsulated nerve endings and diffuse nerve endings were observed to be darkly stained by the silver impregnation method. (who.int)
- The mental foramen is located in the lower premolar region through which nerve endings and blood vessels pass. (bvsalud.org)
Work1
- Also, supporting your exercise and physical work is a specialized system of nerve endings known as proprioceptors. (avonworthchiropractic.com)
Touch2
- The nerve endings in your dermis tell you how things feel when you touch them. (kidshealth.org)
- If you touch something hot, the nerve endings in your dermis respond right away: "Ouch! (kidshealth.org)