Group nerve fibers myelinated. Medical search. Frequent questions

A nerve is composed of neural tissue (axon) and connective tissue. (medscape.com)
In myelinated nerve fibers, each axon is surrounded by the endoneurium. (medscape.com)
In certain sensory neurons ( pseudounipolar neurons ), such as those for touch and warmth, the axons are called afferent nerve fibers and the electrical impulse travels along these from the periphery to the cell body, and from the cell body to the spinal cord along another branch of the same axon. (artandpopularculture.com)
Stimulation produces an action potential that travels up the axon toward the spinal cord and past the cell bodies of the sensory axons of the large-fiber sensory system in the dorsal root ganglia to the ipsilateral posterior columns of the spinal cord. (medscape.com)
Peripheral nerve damage of either the myelin or axon is mediated by an immune cascade involving cytokines, monocytes, and complement-fixing antibodies. (nursingcenter.com)
Histological analysis of the nerve sections revealed increased number of regenerating axons and mean axon diameter in NH2-GO group and decreased myelin surface area in Fr group. (biomedcentral.com)
However, unmyelinated regenerated optic axons had a smaller mean axon diameter (0.49 ± 0.04 µm) than normal myelinated optic axons. (iospress.com)
Axon deterioration, myelin sheath degeneration and dark cells with scanty cytop-lasm were observed in spinal cord and sciatic nerve in the treated group. (fluoridationaustralia.com)
This is not surprising given the strong evidence for interaction between myelin and axon gene expression in development and after experimental nerve lesions. (medscape.com)
The anterior fissure of the axillae, it may be myelinated axon makes it is brought to the gland. (chdouglas.com)
size of myelinated axons (DMA), matching to the size from the axon without myelin sheath (Amount S1B), myelin width (MT), calculated in the difference between your size from the fibres and their particular axons divided by 2 (Amount S1C), as well as the g proportion (GR), extracted from the proportion DMA/DMF. (scienceexhibitions.org)

The other classification is a sensory grouping that uses the terms type Ia and type Ib, type II, type III, and type IV, sensory fibers. (wikipedia.org)
Group A nerves are found in both motor and sensory pathways. (wikipedia.org)
Different sensory receptors are innervated by different types of nerve fibers. (wikipedia.org)
Proprioceptors are innervated by type Ia, Ib and II sensory fibers, mechanoreceptors by type II and III sensory fibers, and nociceptors and thermoreceptors by type III and IV sensory fibers. (wikipedia.org)
Type Aα fibers include the type Ia and type Ib sensory fibers of the alternative classification system, and are the fibers from muscle spindle endings and the Golgi tendon, respectively. (wikipedia.org)
Peripheral nerve injuries may result in loss of motor function, sensory function, or both. (medscape.com)
The future in peripheral nerve injuries lies in maximizing motor and sensory recovery after nerve injury. (medscape.com)
For optimal outcome after surgery, knowledge of motor and sensory fascicular topography within the nerve is essential to ensure correct alignment of the motor and sensory fascicles. (medscape.com)
Clinically, both demyelination and axonal degeneration result in disruption of sensory function, motor function, or both in the injured nerve. (medscape.com)
Depending on the severity and degree of nerve injury, recovery of function occurs with remyelination and with axonal regeneration and reinnervation of the sensory receptors, motor end plates, or both. (medscape.com)
With closed traumatic injuries or restoration of nerve continuity, axons may regenerate and thus reinnervate the motor end plates and sensory receptors. (medscape.com)
Depending on the severity of nerve injury, recovery of motor and sensory function is variable. (medscape.com)
Sensory polyneuropathies, which are caused by dysfunction of peripheral sensory nerve fibers, are a heterogeneous group of disorders that range from the common diabetic neuropathy to the rare sensory neuronopathies. (bmj.com)
Damage to small thinly myelinated and unmyelinated nerve fibers results in neuropathic pain, whereas damage to large myelinated sensory afferents results in proprioceptive deficits and ataxia. (bmj.com)
These groups include both sensory fibers and motor fibers. (artandpopularculture.com)
Another classification groups only the sensory fibers as Type I, Type II, Type III, and Type IV. (artandpopularculture.com)
In mixed peripheral nerves, the threshold for sensory perception is lower than the threshold to elicit movement. (medscape.com)
Each part contains groups of nuclei that function as relay centers for sensory Sensory Neurons which conduct nerve impulses to the central nervous system. (lecturio.com)
Counts of dorsal root ganglion sensory neurons revealed that TMT group got a significant elevated amount of neurons in comparison to DMEM group, as the SC and TMT + SC groupings had hook however, not significant upsurge in the total amount of electric motor neurons. (irjs.info)
Guillain-Barré syndrome is now recognized to be a diverse disorder that can be divided into several patterns based on the predominant mode of fiber injury (demyelinating vs. axonal) and on nerve fibers involved (motor, sensory and motor, cranial). (medlink.com)
Quantitative sensory testing (QST) is a method through which sensory nerve function is quantitatively measured, based on responses of the subject. (medoc-web.com)
In the late 1960s, neurophysiologic testing allowed the classification of CMT into 2 groups, one with slow nerve conduction velocities and histologic features of a hypertrophic demyelinating neuropathy (hereditary motor and sensory neuropathy type 1 or CMT1) and another with relatively normal velocities and axonal and neuronal degeneration (hereditary motor and sensory neuropathy type 2 or CMT2). (medscape.com)
NT-3 promotes nerve regeneration and sensory improvement in CMT1A mouse models and in patients. (qxmd.com)
In contrast to the motor system, the cell bodies of the afferent sensory fibers lie outside the spinal cord, in dorsal root ganglia. (msdmanuals.com)
Nerve fibers outside the spinal cord join to form anterior (ventral) motor nerve roots and posterior (dorsal) sensory nerve roots. (msdmanuals.com)
Mononeuropathies Single mononeuropathies are characterized by sensory disturbances and weakness in the distribution of the affected peripheral nerve. (msdmanuals.com)

Group A are heavily myelinated, group B are moderately myelinated, and group C are unmyelinated. (wikipedia.org)
Certain clinical signs are manifested in a patient when a lesion affects the heavily myelinated tracts of the MLF. (healthncare.info)

Vibratory QST can indicate damage to large myelinated nerve fibers. (medoc-web.com)

The usual sites for SEP stimulation are the median nerve at the wrist, the common peroneal nerve at the knee, and the posterior tibial nerve. (medscape.com)
The stimulation of non-myelinated C-fibers of the median nerve (somatic afferent stimulation) occurs which causes the expression of endogenous opioids (β-endorphins) in the cerebrospinal fluid and blood, and inhibits the increased blood pressure, and leads to the excitation of the sympathetic nervous system in the rostral ventrolateral medulla (rVLM) (i.e. vasomotor center). (inferumgroup.com)
Radial and median nerve conduction velocities in workers exposed to lead, copper, and zinc: A follow-up study for 2 years. (cdc.gov)

Electrical stimulation of nerve fibers could promote the growth of the myelin sheath, a protective layer around neurons that is crucial for transmitting nerve impulses. (best8-weekfitness.com)
The mean g-ratio showing the relative myelin sheath thickness was found to be the highest in the optic nerve (0.78 ± 0.003), least in the sciatic nerve (0.6 ± 0.009) and intermediate in the regenerated nerve (0.68 ± 0.01). (iospress.com)
Results: Diabetic rats showed a statistically significant reduction in motor nerve conduction velocity (MNCV), nerve blood flow (NBF), mean myelinated fiber (MF) diameters and myelin sheath thickness of the sciatic nerve after 10 weeks. (celljournal.org)
Schwann cells form a thin cytoplasmic tube around each fiber and further wrap larger fibers in a multilayered insulating membrane (myelin sheath). (msdmanuals.com)

Thermal QST provides information about the function of small diameter unmyelinated (C fibers) and thinly myelinated (A-delta fibers) nerve fibers for which no nerve conduction test, or other objective tests exist. (medoc-web.com)

Type Aβ fibres, and type Aγ, are the type II afferent fibers from stretch receptors. (wikipedia.org)
Type Aδ fibers are the afferent fibers of nociceptors. (wikipedia.org)

4 Pathological findings from muscle and nerve biopsies, reported by Larbrisseau et al 5 , revealed evidence of chronic denervation with angular fibers and type grouping, suggesting an axonal neuropathy and a major primary defect at the level of peripheral nerve in HMSN/ACC. (nature.com)
DPN can be diagnosed using electrophysiology and studied using peripheral nerve biopsies. (lu.se)
Aim: This study aimed to analyze the presence and patterns of HSPs in peripheral nerve biopsies from subjects with T1D, T2D, and healthy controls. (lu.se)
Conclusion: Quantitative proteomics can be used to study HSPs in nerve biopsies, but no clear differences in protein quantities were observed between groups in this cohort. (lu.se)
To assess the histological properties of regenerated nerves, biopsies were harvested distal to the axotomy site and were visualized through light and fluorescence microscopy using LFB and anti-MBP marker, respectively. (biomedcentral.com)
An immune-mediated epineurial microvasculitis has been demonstrated in nerve biopsies. (medlink.com)
MF regeneration in sural nerve biopsies before and after treatment served as the primary outcome measure. (qxmd.com)

We show that small DRG neurons from rats (Rattus norvegicus) receiving thoracic spinal injury3dto8months earlier and recorded 1 d after dissociation exhibit an elevated incidence of SA coupled with soma hyperexcitability compared with untreated and sham-treated groups. (johnshopkins.edu)
Recordings from C- and Aδ-fibers revealed SCI-induced SA generated in or near the somata of the neurons in vivo. (johnshopkins.edu)
The team extracted clusters of peripheral neurons called dorsal root ganglia from the vertebral column of mouse embryos, and allowed them to differentiate into more mature nerve cells. (best8-weekfitness.com)
The nuclei contain large motor neurons and myelinated fibers of the hypoglossal nerve, innervating the intrinsic and extrinsic tongue muscles , excluding palatoglossus 1,2 which is innervated by the vagus nerve . (radiopaedia.org)
Hence the dorsolateral group innervates the muscles responsible for tongue retraction ( hyoglossus , styloglossus ), and the ventromedial group represents the neurons responsible for tongue protrusion ( genioglossus ) 1,2 . (radiopaedia.org)
The number of neurons in L4 segments was significantly higher in the SC and TMT + SC groups when compared to DMEM group. (irjs.info)
The experience of physiological pain can be grouped according to the source and related nociceptors, or pain detecting neurons. (newworldencyclopedia.org)

because they are thin (2-5 μm in diameter) and myelinated, they send impulses faster than unmyelinated C fibers, but more slowly than other, more thickly myelinated group A nerve fibers. (wikipedia.org)
see spelling differences ), is a long, slender projection of a nerve cell, or neuron , in vertebrates, that typically conducts electrical impulses known as action potentials away from the nerve cell body . (artandpopularculture.com)
They moved these cells into a medium that supports myelin growth, and then exposed one group to electrical impulses while keeping the other as a control. (best8-weekfitness.com)

These include cutaneous and subcutaneous fibers, somesthetic and proprioceptive fibers, and motor axons of equivalent diameter. (medscape.com)

For histological analysis, the pulp tissue was stained with hematoxylin-eosin and immunohistochemically for von Willebrand factor and S100 to detect blood vessels and myelinated nerve fibers, respectively. (bjbms.org)
Because nerves are metabolically active tissues, they require nutrients, supplied by blood vessels called the vasa nervorum. (msdmanuals.com)

Several layers of fluid -filled connective tissue lamellae (like an onion) surround the nerve terminal. (freezingblue.com)

Tyrosine, pons they were exhibited at this, the spinal accessory nerve of muscle fibers. (chdouglas.com)

Distal nerve transfers are used to recover distal extremity motor function. (medscape.com)
This study assesses the efficacy of these materials using a ST conduit in a rat facial nerve motor neuron axotomy model, distal to the stylomastoid foramen. (biomedcentral.com)
Blood pressure changes as a result of the reconstruction of sanologic functional system of the body by the type of artificial stable functional connection exposing to the receptor apparatus of nerve-vascular elements in distal parts of dermatomeres of the left forearm connected segmentarily and suprasegmentarily with cardiovascular and vasomotor centers. (inferumgroup.com)
To investigate the potential role of mitochondrial DNA (mtDNA) deletions in the observed effects of EQ, we measured total mtDNA deletion burden in the distal sciatic nerve. (nature.com)
Country wide Institutes of Wellness, Bethesda, Ticagrelor MD). The included pixel thickness was measured on the distal nerve area in accordance with lesion area. (scienceexhibitions.org)
For morphological evaluation from the soleus muscles, total sciatic nerve axotomy was performed utilizing a micro scissors, and a portion of 3 mm from the distal nerve stump was taken out and diverted from its regular direction in order to avoid realignment between your stumps. (scienceexhibitions.org)
The term peripheral nerve refers to the part of a spinal nerve distal to the root and plexus. (msdmanuals.com)

examined radial, median, and ulnar nerve specimens from a CRPS-affected amputated limb and showed widespread (47-58%) selective degeneration in the larger myelinated Aα fibers (motor/proprioception) and in groups of small unmyelinated C fibers (Remak bundles), while the smaller Aδ (pain/temperature) fibers were spared. (frontiersin.org)
Since various bands of fibers (fibers of the fasciculus retroflexus, rootlets of the oculomotor nerve, and fibers of the superior cerebellar peduncle) pass through the red nucleus (3, 4) , it has been proposed that these myelinated fiber bundles constitute the lamellae (1) . (ajnr.org)
Peripheral nerves are bundles of nerve fibers. (msdmanuals.com)

Other methods include cutaneous nerve stimulation, dermatomal stimulation (which is more specific than cutaneous nerve stimulation), motor point stimulation, and paraspinal stimulation. (medscape.com)
The stimulus activates predominantly the large-diameter, fast-conducting group in muscles and group II cutaneous fibers. (medscape.com)
We also performed a quantitative comparison of cutaneous and sciatic nerves according to glucose fluctuation. (e-dmj.org)
Cutaneous tissue nociceptors terminate just below the skin, producing a well-defined, localized pain of short duration due to the high concentration of nerve endings. (newworldencyclopedia.org)

SCI can sensitize peripheral fibers of nociceptors and promote peripheral SA, but whether these effects are driven by extrinsic alterations in surrounding tissue or are intrinsic to the nociceptor, and whether similar SA occurs in nociceptors in vivo are unknown. (johnshopkins.edu)

When the nerve injury is very proximal (eg, in brachial plexus injury or sciatic nerve injury), nerve regeneration may not occur quickly enough to permit muscle reinnervation. (medscape.com)
For example, in a lower trunk brachial plexus injury, reinnervation of the ulnar nerve intrinsic hand muscles is not possible due to the long period of muscle denervation because of the long distance necessary for nerve regeneration. (medscape.com)
The present study results indicated that compared with the same number of 2D-cultured cells, microtissue could secrete more nerve regeneration related cytokines to promote SCs proliferation and axons growth. (biomedcentral.com)
Therefore, effective autologous nerve replacement is critical in the field of peripheral nerve regeneration. (biomedcentral.com)
Results Combined therapies improved nerve regeneration, and increased the number of myelinated fibers and myelin area compared to the DMEM group. (irjs.info)
Exogenous Schwann cells possess the potential to assist regeneration of nerve fibres, not only because of its crucial function in myelination, also for their capability to secrete trophic elements that promote success and axonal development [7]C[11]. (irjs.info)
Thus, this study was conducted to assess the efficacy of novel adjuncts in hydrogels in regeneration and regrowth of motor neuron axons in a facial nerve axotomy model. (biomedcentral.com)
Our findings indicate that ursolic acid can dose-dependently increase S100 expression and promote neural regeneration in BALB/c mice following sciatic nerve injury. (clinicalnews.org)
These data suggested that nerve repair and regeneration have been completed at 8 weeks, and then S100 expression levels decreased, which was close to what occurring in the low-dose ursolic acid and model groups, and nerves and muscles had undergone good recovery. (clinicalnews.org)
For CMT1A patients, changes in the NT-3 group were different from those observed in the placebo group for the mean number of small MFs within regeneration units (p = 0.0001), solitary MFs, (p = 0.0002), and NIS (p = 0.0041). (qxmd.com)
Neurotrophin-3 augments nerve regeneration in animal models for CMT1A and may benefit patients clinically, but these results need further confirmation. (qxmd.com)
Background G-CSF has been shown to diminish inflammatory processes also to action positively on the procedure of peripheral nerve regeneration during muscular dystrophy. (scienceexhibitions.org)
The decrease in electric motor function in Ticagrelor Ticagrelor the smashed group weighed against the control groupings may reveal the cycles of muscles degeneration/regeneration that take place postnatally. (scienceexhibitions.org)

Peripheral nerve injury may result in demyelination, axonal degeneration, or both. (medscape.com)
Previous neuropathological observations in HMSN/ACC patients have included the presence of small oval vacuoles in the brain white matter, signs of axonal swelling and depletion of large myelinated fibers in nerves. (nature.com)
Additionally, the usage of a biodegradable conduit to steer axonal growth, insulate and protect the damage site from harmful affects is a promising option to nerve grafts also. (irjs.info)
Intra-axonally, no significant difference was detected in the number of axonal microtubules and neurofilaments between the regenerated and optic nerves. (iospress.com)

The diagnostic evaluation involves electrophysiologic testing including nerve conduction studies, histopathologic analysis of nerve tissue, serum studies, and sometimes autonomic testing and cerebrospinal fluid analysis. (bmj.com)
The EQ group scored higher in nerve conduction studies, compared to vehicle-treated db/db group. (nature.com)

Deficits in these nerve fibers will be apparent in vibratory hypoesthesia (raised vibration detection thresholds). (medoc-web.com)

In a study of the US National Inpatient Sample database, Lad et al reported higher rates of median, ulnar, and radial nerve injuries as compared with brachial plexus injuries. (medscape.com)
Protein intensities were associated with electrophysiology data of the ulnar nerve and morphometry of the same PIN, and differences in protein intensities between groups were analyzed. (lu.se)
Furthermore, protein intensities did not correlate with amplitude or conduction velocity in the ulnar nerve or with the myelinated nerve fiber density of PIN. (lu.se)

A cross-sectional study evaluated the biomedical and psychosocial factors associated with disability after upper-extremity nerve injury (follow-up period, 6 months to 15 years). (medscape.com)
Short-latency SEPs refer to the portion of the SEP waveform that occurs within 25 milliseconds after stimulation of the upper extremity nerves, 40 milliseconds after stimulation of the peroneal nerve, or 50 milliseconds after stimulation of the tibial nerve. (medscape.com)

We also wanted to examine an electrical sensibility test and the volume density of myelinated nerve fibers (Vnerv). (bjbms.org)
After a 7 week treatment period, 12-week-old db/db-vehicle, db/+ -vehicle and db/db-EQ treated animals were evaluated by nerve conduction, paw withdrawal against a hotplate, and fiber density in hindlimb footpads. (nature.com)

Nerve conduction velocities are severely decreased (sometimes less than 10 m/s), and sural nerve biopsy shows severe loss of myelinated fibers (summary by Baets et al. (nih.gov)

Because limb cooling affects peripheral nerve conduction velocity, minimum skin temperature norms should be established for each laboratory. (medscape.com)

glial cells and capillaries but few myelinated nerve fibers. (lecturio.com)

Methods: Posterior interosseous nerves (PIN) from a total of 56 subjects with T1D (n = 9), with T2D (n = 24), and without diabetes (i.e., healthy controls, n = 23) were harvested under local anesthesia and prepared for quantitative mass spectrometry analysis. (lu.se)
Radial Tunnel Syndrome is a common entrapment neuropathy of the posterior interosseous nerve. (theplasticsfella.com)
The symptoms relieved by tunnel injection (steroids + local anaesthetic) is diagnostic.There are no motor issues, unlike Posterior Interosseous Nerve Syndrome. (theplasticsfella.com)

2001), involuntary contractions of skeletal muscles indicative of hyperexcitability in myelinated motor axons, PFE-360 (PF-06685360) presumably because of altered slow nodal K+ current. (citiesofdata.org)
Literature review: One of the proposed etiologies for this condition is a localcircumscribed demyelination of the trigeminal nerve resulting in neuronal hyperexcitability and generation of ephaptic coupling, which would be responsible for the pain paroxysms. (bvsalud.org)

Aδ fibers serve to receive and transmit information primarily relating to acute pain (sharp, immediate, and relatively short-lasting). (wikipedia.org)
Small unmyelinated fibers transmit information. (freezingblue.com)

It mainly consists of myelinated nerve fibers and contains few neuronal cell bodies or dendrites. (lecturio.com)
In cross section, the spinal cord is divided into an H-shaped area of gray matter (consisting of synapsing neuronal cell bodies) and a surrounding area of white matter (consisting of ascending and descending tracts of myelinated axons). (lecturio.com)
Hyperglycemia can cause direct damage to the nerve parenchyma as well as indirect hyperglycemia-induced neuronal ischemia by decreasing neuronal blood flow [ 4 ]. (e-dmj.org)

The hypoglossal nuclei , exist as paired nuclei within the medulla oblongata that provide motor innervation to the intrinsic and extrinsic muscles of the tongue (excluding palatoglossus) via the hypoglossal nerve . (radiopaedia.org)
Additionally, the medial longitudinal fasciculus is responsible for transporting fibers that originate in the vestibular nuclei and are destined for the oculomotor, trochlear, and interstitial nuclei of Cajal. (healthncare.info)

At present, autologous nerve transplantation is still the standard gold method for treating long segmental nerve defects, but it has some limitations, such as limited donor sources, complications from second operations, and permanent denervation dysfunction of donor site [ 5 ]. (biomedcentral.com)

In traumatic nerve injury with large nerve gaps, nerve allografts have been described. (medscape.com)
The authors postulated that large Aα fiber degeneration could consequently affect the associated innervated muscles. (frontiersin.org)
Now a large and ever increasing number of genetic subtypes has been described, and major advances in molecular and cellular biology have clarified the understanding of the role of different proteins in the physiology of peripheral nerve conduction in health and in disease. (medscape.com)
A 2021 meta-synthesis of existing literature found that sex accounted for 1% of the brain's structure or laterality, finding large group-level differences only in total brain volume. (wikipedia.org)
Assessment of the effects of occupational and environmental factors on all faster and slower large myelinated nerve fibers: A study of the distribution of nerve conduction velocities. (cdc.gov)

Aδ fibers carry information from peripheral mechanoreceptors and thermoreceptors to the dorsal horn of the spinal cord. (wikipedia.org)
SEPs provide information concerning the integrity of the pathway through the brain, brain stem, spinal cord, dorsal roots, and peripheral nerves. (medscape.com)
There are few authoritative reports on neurodegenerative changes in hippocampus, neocortex, cerebellum, spinal cord and sciatic nerve in fluoride intoxication. (fluoridationaustralia.com)
Tissue fluoride levels of hippocampus, neocortex, cerebellum, spinal cord and sciatic nerve, all increased significantly in fluoride treated rats. (fluoridationaustralia.com)
Electron microscopy of the hippocampus, neocortex, cere-bellum, spinal cord and sciatic nerve showed neurodegenerative changes in the NaF treated group compared to controls. (fluoridationaustralia.com)
Thus, neurodegeneration was clearly evident in the hippocampus, neocortex, cerebellum, spinal cord and sciatic nerve on fluoride exposure. (fluoridationaustralia.com)
White fasciculi, the plasma re-enters the middle, perforated for a region for the spinal nerve. (chdouglas.com)
Vertebra and Spinal Nerve. (msdmanuals.com)
It includes the cranial nerves and spinal nerves from their origin to their end. (msdmanuals.com)
The ventral and dorsal roots combine to form a spinal nerve. (msdmanuals.com)
The spinal nerves exit the vertebral column via an intervertebral foramen. (msdmanuals.com)
Because the spinal cord is shorter than the vertebral column, the more caudal the spinal nerve, the further the foramen is from the corresponding cord segment. (msdmanuals.com)
Thus, in the lumbosacral region, nerve roots from lower cord segments descend within the spinal column in a near-vertical sheaf, forming the cauda equina. (msdmanuals.com)
Just beyond the intervertebral foramen, spinal nerves branch into several parts. (msdmanuals.com)

Its use is supported by a series of randomized and controlled trials assessing diseases that affect the peripheral nerve, neuromuscular junction, and skeletal muscle. (nursingcenter.com)

1992. Auditory event-related potential (P300) in relation to peripheral nerve conduction in workers exposed to lead, zinc, and copper: Effects of lead on cognitive function and central nervous system. (cdc.gov)

We used grafts constructed by microtissues and polycaprolactone (PCL) nerve conduit to repair sciatic nerve defects in rats. (biomedcentral.com)
Methods: The optic nerves of rats aged 6 weeks were cut intra-orbitally and replaced with a autologous sciatic nerve. (iospress.com)
Twelve male Wistar rats were divided equally into two groups: one group received 20 ppm of sodium fluoride (NaF) and the other group (which served as a control) received tap water for 60days. (fluoridationaustralia.com)
In this study, we investigated the in vivo effects of combined administration of 4-methylcatechol (4-MC) and progesterone (P) as a potential therapeutic tool for sciatic nerve function improvement and its role in histomorphological alterations in diabetic neuropathy in rats. (celljournal.org)
Materials and Methods: Male adult rats were divided into 3 groups: sham operated control (CO), untreated diabetic (DM) and diabetic treated with progesterone and 4-methylcatechol (DMP4MC) groups. (celljournal.org)
Sameni, H., Panahi, M. The Effect of Co-administration of 4-Methylcatechol and Progesterone on Sciatic Nerve Function and Neurohistological Alterations in Streptozotocin-Induced Diabetic Neuropathy in Rats. (celljournal.org)
The purpose of this study was to investigate the effect of GV on peripheral nerve damage by inducing glucose fluctuation in streptozotocin-induced diabetic rats. (e-dmj.org)
Our study suggests that glucose control itself is more important than glucose fluctuation in the prevention of peripheral nerve damage, and intra-day glucose fluctuation has a limited effect on the progression of peripheral neuropathy in rats with diabetes. (e-dmj.org)

Motor recovery was accelerated in the TMT + SC group, which showed significantly better values in sciatic function index and in global mobility test than in the other groups. (irjs.info)
Diabetic amyotrophy is predominantly a motor condition that involves various elements of the lumbosacral plexus, particularly those related to the femoral nerve. (medlink.com)

Background Despite the regenerative potential from the peripheral nervous program, severe nerve lesions result in lack of target-organ innervation, producing complete functional recovery challenging. (irjs.info)
Even though the peripheral anxious program provides some regenerative potential, full useful recovery is certainly attained, specifically after severe lesions that result in interruption of nerve tissue and continuity loss [1]. (irjs.info)
Introduction: Trigeminal neuralgia (TN) is defined as sudden, usually unilateral, severe and brief pain episodes within the distribution of one or more branches of the trigeminal nerve. (bvsalud.org)
Trigeminal neuralgia is def ined by the International Association for the Study of Pain (IASP) as a "sudden, usually unilateral, severe and brief pain episodes occurring in one the distribution of one or more branches of the trigeminal nerve" 32,46 and characterized by severe, acute, electric shock-like piercing pain, followed by refractory period 3,24 . (bvsalud.org)

After a survival period of 9 months, the graft or regenerated nerves containing the regenerated optic axons and Schwann cells were processed for morphometric measurements. (iospress.com)

If, however, surgery is performed within 3-6 months after the nerve injury was sustained, the patient can be expected to recover the use of most muscles, excluding muscles in the hand or foot in injuries at the trunk level or higher. (medscape.com)

The MLF is a pair of highly specialized nerve fibers that are highly myelinated and run in a craniocaudal direction just ventral to the cerebral aqueduct and the fourth ventricle in the tegmentum of the midbrain and the dorsal pons. (healthncare.info)

The nucleus itself has higher iron content than its surrounding neural fibers. (ajnr.org)

Conclusions: In this study, we have identified some of the extrinsic and intrinsic factors in determining the fiber morphometry of the regen-erated nerve. (iospress.com)

The body weights and organic somatic index of brain in the sodium fluoride treated animals were significantly reduced, relative to the control group. (fluoridationaustralia.com)

Somatosensory evoked potentials (SEPs) are generated by stimulation of afferent peripheral nerve fibers by either physiological or electrical means. (medscape.com)
For stimulation of mixed peripheral nerves, the stimulating current is adjusted to produce a minimal movement of the joint involved. (medscape.com)
Long-latency SEPs refer to the waveforms recorded more than 100 milliseconds following stimulation of these nerves. (medscape.com)
Mixed nerve stimulation has become the standard for clinical use. (medscape.com)
Kim and his colleagues first developed a novel platform to deliver electrical stimulation to nerve fibers. (best8-weekfitness.com)
Pain episodes are normally triggered by stimulation of specific areas, so-called trigger points or zones, localized in the area innervated by trigeminal nerve 26 . (bvsalud.org)

These nerve fibers are located in the tegmentum of the midbrain and the dorsal pons. (healthncare.info)

and neurofilament indicates a reduced regenerative capability in MDX mice carrying out a lesion to a peripheral nerve. (scienceexhibitions.org)
1990). A Ticagrelor operative knot was linked in the muscle mass next to the lesion site to tag the spot that the nerve was smashed. (scienceexhibitions.org)
B) and A, ipsilateral nerve 10 times after lesion. (scienceexhibitions.org)

Conclusion: Our findings indicated that co-administration of P and 4-MC may prevent sciatic nerve dysfunction and histomorphological alterations in experimental diabetic neuropathy. (celljournal.org)
Conversely, the association of GV with peripheral nerve dysfunction has not been explored systematically. (e-dmj.org)

Neuroanatomy, Cranial Nerve 12 (Hypoglossal). (radiopaedia.org)
The vestibulocochlear nerve, the eighth cranial nerve, the fastigial nucleus, and the flocculus of the cerebellum provides the input necessary for this to happen. (healthncare.info)

When the trochlear nerve is damaged, the superior oblique muscle on the affected side weakens, leading to internal rotation of the thigh and hyperextension of the affected leg. (healthncare.info)

The pathophysiology is unclear, but trigeminal neuralgia seems to be the consequence of vascular compression of the trigeminal nerve near the brain stem. (bvsalud.org)

The oculomotor, trochlear, and abducent nerves, along with the vestibulocochlear nerve, are controlled by the medial longitudinal fasciculus. (healthncare.info)
The medial longitudinal fasciculus connects the three major nerves that control eye movements, namely the oculomotor, trochlear, and abducent nerves, along with the vestibulocochlear nerve. (healthncare.info)

When there is a long segmental nerve defect, the effect of direct end-to-end anastomosis is poor due to high tension [ 4 ]. (biomedcentral.com)
The intercostal nerves are segmental. (msdmanuals.com)

Radial tunnel Syndrome is the intermittent compression of the radial nerve in the radial tunnel without associated extensor muscle weakness. (theplasticsfella.com)
Radial Tunnel Syndrome is caused by compression of the radial nerve. (theplasticsfella.com)
L eash of Henry: nerve is compressed by a vascular network of radial recurrent vessels. (theplasticsfella.com)
Pushes the tendinous edge of the ECRB onto the radial nerve. (theplasticsfella.com)

Anatomy109

Organisms16

Diseases31

Chemicals and Drugs40

Analytical, Diagnostic and Therapeutic Techniques and Equipment34

Psychiatry and Psychology8

Phenomena and Processes21

Disciplines and Occupations3

Technology, Industry, Agriculture2

Information Science1

Health Care2

Axon11

Sensory26

Heavily myelinated2

Damage to large myelinated1

Median nerve3

Myelin sheath4

Thinly myelinated1

Afferent fibers2

Biopsies7

Neurons7

Impulses3

Proprioceptive1

Blood vessels2

Connective tissue1

Muscle fibers1

Distal7

Bundles3

Cutaneous4

Nociceptors1

Regeneration13

Axonal4

Conduction studies2

Deficits1

Ulnar3

Upper-extremity2

Density2

Sural nerve1

Temperature1

Glial cells1

Posterior3

Hyperexcitability2

Transmit2

Neuronal3

Nuclei2

Denervation1

Large5

Spinal14

Neuromuscular junction1

Peripheral nerve conduction1

Rats8

Motor2

Severe4

Graft1

Muscles1

Ventral1

Neural1

Intrinsic1

Somatic1

Stimulation6

Pons1

Lesion3

Dysfunction2

Cranial2

Trochlear nerve1

Trigeminal nerve1

Vestibulocochlear nerve2

Segmental2

Radial4