• The medial lemniscus is formed by the axons of the neurons of the gracilis and cuneatus nuclei of the medulla oblongata which receive information about light touch, vibration and conscient proprioception from the gracilis and cuneatus fasciculus of the spinal cord. (wikipedia.org)
  • Finally, reaching the level of the nuclei of the trigeminal nerve, the fibres of the mesencephalic root turn forwards and are said to join the sensory part (Johnston) of the trigeminal nerve. (co.ma)
  • The solitary nucleus (also called nucleus of the solitary tract , nucleus solitarius, or nucleus tractus solitarii (SN or NTS) ) [1] [2] is a series of sensory nuclei (clusters of nerve cell bodies) forming a vertical column of grey matter in the medulla oblongata of the brainstem. (wikipedia.org)
  • Images obtained in live embryos from 22 to 96 h post fertilization confirmed our earlier reports on the presence of spon1b:GFP expressing cells in the telencephalon and diencephalon (olfactory bulbs, habenula, optic tectum, nuclei of the medial longitudinal fasciculus), and revealed new spon1b:GFP populations in the pituitary anlage, dorso-rostral cluster, and ventro-rostral cluster. (biomedcentral.com)
  • A reflex wherein impulses are conveyed from the cupulas of the SEMICIRCULAR CANALS and from the OTOLITHIC MEMBRANE of the SACCULE AND UTRICLE via the VESTIBULAR NUCLEI of the BRAIN STEM and the median longitudinal fasciculus to the OCULOMOTOR NERVE nuclei. (lookformedical.com)
  • 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. (lookformedical.com)
  • Here it is traversed and broken up into separate bundles by the olivo-cerebellar fibres and the roots of the glossopharyngeal and vagus nerves. (co.ma)
  • Chemoreceptors and mechanoreceptors of the general visceral afferent pathway (GVA) with endings located in the heart, lungs, airways, gastrointestinal system, pharynx, and liver via the glossopharyngeal and vagus nerves. (wikipedia.org)
  • This is a somewhat doubtful fasciculus and its fibers are supposed to end in the thalamus and to conduct certain of the touch impulses. (wikipedia.org)
  • This fasciculus receive the axons of the first order neuron which is located in the dorsal root ganglion that receives afferent fibers from receptors in the skin, muscles and joints. (wikipedia.org)
  • The lateral spinothalamic tract (or lateral spinothalamic fasciculus), is a bundle of afferent nerve fibers ascending through the white matter of the spinal cord, in the spinothalamic tract, carrying sensory information to the brain. (wikipedia.org)
  • When stretched, muscle spindles become activated, causing an increase in the impulse firing rate of afferent nerve fibers from the spindles to the spinal cord. (humanneurobiology.com)
  • 1. The sheath of connective tissue enclosing a bundle of nerve fibers. (wordinfo.info)
  • 2. An intermediate layer of connective tissue in a peripheral nerve, surrounding each bundle (fasciculus) of nerve fibers. (wordinfo.info)
  • Internuclear ophthalmoplegia - Lesion in medial longitudinal fasciculus, cannot adduct in horizontal lateral gaze, but normal convergence. (wikem.org)
  • and the trochlear nerve, on its way to the surface, runs downwards in its concavity and on its medial aspect. (co.ma)
  • The axis cylinders break up into a close-meshed network which lies between, or partly encircles, the smaller fasciculi of connective tissue. (co.ma)
  • Together with the anterior spinothalamic tract, the lateral spinothalamic tract is sometimes termed the secondary sensory fasciculus or spinal lemniscus. (wikipedia.org)
  • The cell bodies of the sensory nerves are located in the dorsal root ganglia. (medscape.com)
  • Decussation usually occurs 1-2 spinal nerve segments above the point of entry. (wikipedia.org)
  • The cauda equina (Latin for horse tail) is the collection of lumbar and sacral spinal nerve roots that travel caudally prior to exiting at their respective intervertebral foramina. (medscape.com)
  • Fibres constantly leave it to enter the nucleus, so that the lower it gets the smaller does the spinal tract become until, in the upper part of the spinal medulla, about the level of the first or second spinal nerve, it disappears altogether. (co.ma)
  • A roughly spherical ganglion of unipolar neuronal cell bodies in the posterior roots of each spinal nerve near the intervertebral foramina. (unboundmedicine.com)
  • This ganglion is enclosed in a capsule that is a continuation of the epineurium of the spinal nerve. (unboundmedicine.com)
  • An enlargement on a nerve that does not contain neuronal cell bodies and is therefore not a true ganglion. (unboundmedicine.com)
  • Similar endings, termed articular bulbs, are found in the synovial membranes of certain joints, e.g. those of the fingers. (co.ma)
  • The spinal nerves consist of the sensory nerve roots, which enter the spinal cord at each level, and the motor roots, which emerge from the cord at each level. (medscape.com)
  • Either of the paired prevertebral autonomic ganglia in the nerve plexus surrounding the aortic roots of the renal arteries. (unboundmedicine.com)
  • 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)
  • One or more nerve-fibres pierce the capsule of the corpuscle, losing, at the same time, their medullary sheaths. (co.ma)
  • One or more nerve-fibres penetrate the side of the capsule, within which they pursue a curved course and then lose their medullary sheaths. (co.ma)
  • n, two nerve-fibres passing into it. (co.ma)
  • The anterior spinothalamic tract, (Latin: tractus spinothalamicus anterior) or ventral spinothalamic fasciculus situated in the marginal part of the anterior funiculus and intermingled more or less with the vestibulospinal tract, is derived from cells in the posterior column or intermediate gray matter of the opposite side. (wikipedia.org)
  • There is a white matter tract that connects the amygdala and OFC, which is called the uncinate fasciculus (UF). (medindia.net)
  • The anterior and posterior nerve rootlets emerge at the anterolateral and posterolateral sulci. (medscape.com)
  • Multiple generator potentials may summate to the threshold necessary for trig- gering a nerve impulse (action potential). (cdc.gov)
  • Nociceptors for pain also appear to be "free nerve" endings in skin and muscle. (cdc.gov)
  • 1. Either of two types of groups of nerve cells (sympathetic ganglion, parasympathetic ganglion) in the autonomic nervous system. (unboundmedicine.com)
  • In response to head movement , the otoliths shift causing distortion of the vestibular hair cells which transduce nerve signals to the BRAIN for interpretation of equilibrium. (lookformedical.com)
  • From the deep surface of the capsule imperfect membranous septa are continued inwards between the nerve ramifications. (co.ma)