Amyotrophic Lateral SSpinalMultipleFibersDisordersMusclesMyelin sheathBranches of the Trigeminal NerveDiagnosisMandibular nerve2020CranialConductionTrigeminal Nerve AnatomyInfratemporal facial nerveImpulsesSensoryFallopian canalChronicNervousNeuronsAbnormalInflammatoryMedianPatientsLateralCourse of the facial nerveFiberDemyelinationVascular
Amyotrophic Lateral S25
- Amyotrophic lateral sclerosis (ALS) belongs to a group of disorders known as motor neurone disease . (manchesterneurophysio.co.uk)
- Amyotrophic lateral sclerosis ( ALS ), also known as motor neurone disease ( MND ) or Lou Gehrig's disease , is a rare and terminal neurodegenerative disease that results in the progressive loss of motor neurons that control voluntary muscles . (wikipedia.org)
- [21] In 1869, the connection between the symptoms and the underlying neurological problems was first described by French neurologist Jean-Martin Charcot , who in 1874 began using the term amyotrophic lateral sclerosis . (wikipedia.org)
- Because of the neurotropism of Lyme disease, speculative websites and articles and even peer-reviewed journals have purported causal associations between Lyme disease and several neurodegenerative disorders, including Alzheimer disease, amyotrophic lateral sclerosis (ALS), multiple sclerosis (MS), and Parkinson disease ( 6 - 11 ). (cdc.gov)
- Amyotrophic lateral sclerosis (ALS), commonly known as Lou Gehrig's disease, is a progressive and fatal neuromuscular disease for which no cure or viable treatment has been identified. (cdc.gov)
- Amyotrophic lateral sclerosis (ALS), also known as Charcot's disease and Lou Gehrig's disease, is a disease of unknown cause characterized by slowly progressive degeneration of upper motor neurons (UMNs) and lower motor neurons (LMNs). (medscape.com)
- Emergency physicians should be familiar with amyotrophic lateral sclerosis (ALS) and should consider the diagnosis in patients with motor symptoms and signs of hyperreflexia. (medscape.com)
- Physical and occupational therapy and speech pathology consultations assist the patient with amyotrophic lateral sclerosis (ALS) in maintaining strength, daily living activities, and communication skills (as demonstrated in the image below). (medscape.com)
- Patient with amyotrophic lateral sclerosis (ALS) using eye-gaze computer device to conduct business and communicate. (medscape.com)
- Motor neurons (MNs) die in amyotrophic lateral sclerosis (ALS), a clinically heterogeneous neurodegenerative disease of unknown etiology. (frontiersin.org)
- Citation on PubMed Siddique N, Siddique T. Amyotrophic Lateral Sclerosis Overview. (nih.gov)
- This Health Condition MedlinePlus Genetics provides information about Amyotrophic lateral sclerosis More About This Health Condition CHM2B_HUMAN CHMP family, member 2B CHMP2. (nih.gov)
- Amyotrophic lateral sclerosis (ALS) is a neurodegenerative disorder in which there is preferential loss of both the upper and lower motor neurons. (bmj.com)
- Amyotrophic lateral sclerosis (ALS) is a neurodegenerative disease of the central nervous system that results in a progressive loss of motor function and ultimately death. (biorxiv.org)
- He also delved into neurosyphilis, multiple sclerosis, and amyotrophic lateral sclerosis (or Charcot disease, as it's called in France). (medscape.com)
- Amyotrophic lateral sclerosis (ALS) is a rapidly progressive, fatal neurological disease. (cdc.gov)
- It is the 'knowns' that keep me humble, and the 'unknowns' that keep me challenged," says Paul Mehta, M.D. Paul is a medical epidemiologist and the principal investigator who provides oversight for the congressionally mandated National Amyotrophic Lateral Sclerosis (ALS) Registry at the Agency for Toxic Substances and Disease Registry (ATSDR) in Atlanta. (cdc.gov)
- New technologies and Amyotrophic Lateral Sclerosis - Which step forward rushed by the COVID-19 pandemic? (cdc.gov)
- Amyotrophic lateral sclerosis: update on clinical management. (cdc.gov)
- Novel Selenium-based compounds with therapeutic potential for SOD1-linked amyotrophic lateral sclerosis. (cdc.gov)
- The emotional impact of COVID-19 outbreak in amyotrophic lateral sclerosis patients: evaluation of depression, anxiety and interoceptive awareness. (cdc.gov)
- Optimizing telemedicine to facilitate amyotrophic lateral sclerosis clinical trials. (cdc.gov)
- Telemedicine and technological devices for amyotrophic lateral sclerosis in the era of COVID-19. (cdc.gov)
- Modification of non-invasive ventilation for the advanced amyotrophic lateral sclerosis patient during the COVID-19 pandemic - do it now. (cdc.gov)
- Amyotrophic lateral sclerosis care and research in the United States during the COVID-19 pandemic: Challenges and opportunities. (cdc.gov)
Spinal15
- The condition is characterised by inflammatory lesions in the brain, spinal cord and optic nerve. (inserm.fr)
- In multiple sclerosis, patches of myelin (the substance that covers most nerve fibers) and underlying nerve fibers in the brain, optic nerves, and spinal cord are damaged or destroyed. (msdmanuals.com)
- The term "multiple sclerosis" refers to the many areas of scarring (sclerosis) that result from destruction of the tissues that wrap around nerves (myelin sheath) in the brain and spinal cord. (msdmanuals.com)
- Multiple sclerosis ( MS ) is a potentially disabling autoimmune disease that affects the brain and spinal cord (central nervous system). (medicinenet.com)
- The damage can occur in any part of the brain, optic nerve or spinal cord. (medicinenet.com)
- Nerves in any part of the brain or spinal cord may be damaged causing multiple sclerosis symptoms to appear in many parts of the body. (medicinenet.com)
- The muscles involved in the split hand are innervated through the same spinal segments (C8 and T1), and FDI and ADM, which are differentially affected, are both ulnar nerve innervated. (bmj.com)
- MS is a disease that affects the spinal cord, brain and optic nerves. (yahoo.com)
- Multiple sclerosis (MS) is a disease of the central nervous system (CNS), which consists of the brain, optic nerves, and spinal cord. (nasdaq.com)
- Multiple sclerosis ( MS ) is a disease that causes demyelination (disruption of the myelin that insulates and protects nerve cells) of spinal nerve and brain cells. (medicinenet.com)
- Multiple sclerosis is a disease that causes demyelination of the brain and spinal cord nerve cells. (medicinenet.com)
- Multiple sclerosis is a chronic disease that affects the central nervous system, including the brain, spinal cord and optic nerves. (ucsfhealth.org)
- Multiple sclerosis (MS) is diagnosed on the basis of clinical findings and supporting evidence from ancillary tests, such as magnetic resonance imaging (MRI) of the brain and spinal cord and cerebrospinal fluid examination. (medscape.com)
- It affects nerve cells in the brain and spinal cord, causing nerves in the muscle to die. (cdc.gov)
- It is usually characterized by an acute monosymptomatic presentation of the optic nerves, brainstem, or spinal cord. (bvsalud.org)
Multiple74
- Defects on cell-surface sugars may promote the short-term inflammation and long-term neurodegeneration that occurs in the central nervous system of multiple sclerosis patients, according to a new article. (sciencedaily.com)
- Sung-Uk Lee, Ani Grigorian, I-Ju Chen, Guoyan Gao and Dr. Tahseen Mozaffar of UC Irvine and Judy Pawling and Colin McKerlie of the Samuel Lunenfeld Research Institute in Toronto participated in the study, which was supported by the National Multiple Sclerosis Society, the Juvenile Diabetes Research Foundation, the Wadsworth Foundation and the National Institutes of Health. (sciencedaily.com)
- A team of researchers led by Brahim Nait Oumesmar, Inserm Research Director at the PITIE-SALPETRIERE NEUROSCIENCES RESEARCH CENTER (CRICM) in collaboration with the University of Luxembourg, has just discovered a new molecule capable of stimulating the repair of the myelin destroyed in experimental models of multiple sclerosis. (inserm.fr)
- Multiple Sclerosis (MS) is the most frequent cause of disability in young adults [1] . (inserm.fr)
- Tocopherol derivative TFA-12 promotes myelin repair in experimental models of Multiple Sclerosis. (inserm.fr)
- Multiple Sclerosis: Neurons. (msdmanuals.com)
- In most people with multiple sclerosis, periods of relatively good health alternate with episodes of worsening symptoms, but over time, multiple sclerosis gradually worsens. (msdmanuals.com)
- Usually, doctors diagnose multiple sclerosis based on symptoms and results of a physical examination and magnetic resonance imaging. (msdmanuals.com)
- World wide, about 2.8 million people have multiple sclerosis, and about 107,000 people are diagnosed with multiple sclerosis each year. (msdmanuals.com)
- Most commonly, multiple sclerosis begins between the ages of 20 and 40, but it can begin anytime between ages 15 and 60 years. (msdmanuals.com)
- Multiple sclerosis is uncommon among children. (msdmanuals.com)
- Most people with multiple sclerosis have periods of relatively good health (remissions) alternating with periods of worsening symptoms (flare-ups or relapses). (msdmanuals.com)
- Thus, multiple sclerosis worsens slowly over time. (msdmanuals.com)
- Genes seem to have a role in multiple sclerosis. (msdmanuals.com)
- For example, having a parent or sibling (brother or sister) with multiple sclerosis increases the risk of acquiring the disease several-fold. (msdmanuals.com)
- Also, multiple sclerosis is more likely to develop in people with certain genetic markers on the surface of their cells. (msdmanuals.com)
- Environment also has a role in multiple sclerosis. (msdmanuals.com)
- Where people spend the first 15 years of life affects their chance of developing multiple sclerosis. (msdmanuals.com)
- AbstractEarly detection of neuromyelitis optica spectrum disorders (NMOSD), especially after optic neuritis, a presenting manifestation commonly observed also in multiple sclerosis (MS), is crucial for timely treatment and prognosis. (ox.ac.uk)
- Daily transcutaneous electrical nerve stimulation (TENS) may decrease cortical motor representation in patients with multiple sclerosis (MS), according to findings from a study carried out in Belgium. (msdiscovery.org)
- Long-term TENS treatment decreases cortical motor representation in multiple sclerosis. (msdiscovery.org)
- The combined approach of using national administrative databases and a self-enrollment web portal to collect data is novel and potentially could be used for other non-notifiable diseases such as Parkinson's disease or multiple sclerosis. (cdc.gov)
- The extreme importance of myelin for a functioning nervous system is shown by the diseases that arise from a defective insulating layer, such as multiple sclerosis. (sciencedaily.com)
- What Is Sclerosis in Multiple Sclerosis? (medicinenet.com)
- In multiple sclerosis, there is a development of hard areas called 'plaques' along a neuron's axon (part of a nerve cell). (medicinenet.com)
- Multiple sclerosis is a lifelong disorder that can be managed, but not cured. (medicinenet.com)
- The exact cause of multiple sclerosis (MS) is still unknown. (medicinenet.com)
- What are the signs and symptoms of multiple sclerosis? (medicinenet.com)
- There are four types of multiple sclerosis (MS). (medicinenet.com)
- Multiple sclerosis (MS) causes damage and scarring to nerve tissue. (medicalnewstoday.com)
- Risk Factors and Clinical Outcomes of COVID-19 Infection in Multiple Sclerosis Patients: A Retrospective St. (medscimonit.com)
- In 2019, the 51-year-old actor was diagnosed with multiple sclerosis. (yahoo.com)
- There are many multiple sclerosis medications with different primary applications. (medicalnewstoday.com)
- People may wish to consider both the significant benefits and adverse effects caused by newer medications, such as fingolimod (Gilenya), natalizumab (Tysabri), and alemtuzumab (Lemtrada) for treating their Multiple Sclerosis. (medicalnewstoday.com)
- In contrast, multiple sclerosis medications with the safest profile are interferon-β preparations, such as Avonex, and glatiramer acetate (Copaxone). (medicalnewstoday.com)
- This article discusses the safety profile of various multiple sclerosis medications. (medicalnewstoday.com)
- An older 2017 study explains that although newer multiple sclerosis medications are more effective, they can have more serious side effects. (medicalnewstoday.com)
- This ratio may vary with the severity of multiple sclerosis (MS). It also may depend on whether someone is pregnant or what co-occurring conditions they have, such as heart problems. (medicalnewstoday.com)
- To identify imaging biomarkers in multiple sclerosis and describe response to treatment in this disease. (unil.ch)
- So I was just wondering if you could tell us a bit more about Multiple Sclerosis. (uwo.ca)
- So actually, I saw an OT before I was diagnosed with Multiple Sclerosis, as I had various injuries, concussions, post-concussion, stuff like that. (uwo.ca)
- However, so Multiple Sclerosis is a chronic autoimmune disease. (uwo.ca)
- For the first time, scientists have developed a treatment for Multiple Sclerosis (MS) that actually reverses the disability. (zmescience.com)
- Multiple Sclerosis (MS) is one mean, hard, disease. (zmescience.com)
- The Multiple Sclerosis Association of America (MSAA) will visit the Nasdaq MarketSite in Times Square for Multiple Sclerosis Awareness Month. (nasdaq.com)
- The Multiple Sclerosis Association of America (MSAA) is a national nonprofit organization and leading resource for the entire MS community, improving lives today through vital services and support. (nasdaq.com)
- Certain diseases such as multiple sclerosis. (lifebridgehealth.org)
- A longitudinal study of retinal nerve fibre layer profile in patients with multiple sclerosis and its significance. (amrita.edu)
- women have about two to three times the risk for multiple sclerosis than men. (medicinenet.com)
- What does multiple sclerosis (MS) look like (pictures)? (medicinenet.com)
- Multiple sclerosis is a disease that involves an immune-mediated process that results in an abnormal response in the body's immune system that damages central nervous system (CNS) tissues in which the immune system attacks myelin, the substance that surrounds and insulates nerve fibers causing demyelination that leads to nerve damage. (medicinenet.com)
- Because the exact antigen or target of the immune-mediated attack is not known, many experts prefer to label multiple sclerosis as 'immune-mediated instead of an autoimmune disease. (medicinenet.com)
- Can children and teenagers develop multiple sclerosis (pediatric MS)? (medicinenet.com)
- Children and teens with multiple sclerosis are treated with the same therapies as adults, but they are considered "off label" for treating children, (not an FDA approved the use of the drug, but it is/may be effective for some people with the condition). (medicinenet.com)
- Patients and families affected by conditions like Parkinson's disease, Alzheimer's disease or multiple sclerosis can count on the experience of our compassionate neurologists for their treatment. (providence.org)
- Multiple sclerosis (MS) is often diagnosed in women of childbearing age, and this fact prompts concerns regarding how MS can affect pregnancy. (news-medical.net)
- The Pregnancy and Multiple Sclerosis (PRIMS) trial studied 269 pregnancies in women with MS. Results showed that while relapse rates were down by 70% in the third trimester, they increased 3 to 6 months post childbirth without contributing to increased disability in the long term. (news-medical.net)
- Multiple sclerosis damages the outer covering of nerve cells, called myelin, a fatty tissue that protects nerve cells in the same way that insulation protects electrical wiring in a house. (ucsfhealth.org)
- Scar tissue, called sclerosis, accumulates when multiple areas of myelin are damaged. (ucsfhealth.org)
- Our mission is to help people with multiple sclerosis (MS) enjoy long and active lives. (ucsfhealth.org)
- The symptoms of multiple sclerosis depend on which particular pathway of nerve fiber is damaged. (ucsfhealth.org)
- When considering a diagnosis of multiple sclerosis, your doctor will be particularly interested in hearing about your symptoms, when they started and how they've eased or progressed over time. (ucsfhealth.org)
- Cerebrospinal fluid levels of iodothyronines and nerve growth factor in patients with multiple sclerosis and neuromyelitis optica. (nel.edu)
- Multiple sclerosis (MS) is an inflammatory demyelinating disease of the human central nervous system (CNS) and a major cause of. (nel.edu)
- Jiang Y, Yang Y, Zhang B, Peng F, Bao J, Hu X. Cerebrospinal fluid levels of iodothyronines and nerve growth factor in patients with multiple sclerosis and neuromyelitis optica. (nel.edu)
- Occasionally, tumor infiltration, vascular compression of the nerve, or diseases such as multiple sclerosis may be the causative factors. (medscape.com)
- Motor fatigue is one of the most common symptoms in multiple sclerosis (MS) patients. (bvsalud.org)
- It may not reoccur (isolated), or it may progress to MULTIPLE SCLEROSIS. (bvsalud.org)
- Multiple sclerosis (MS) is a nervous system disease that affects the brain, optic nerve (which helps. (medlineplus.gov)
- I'm lucky, but multiple sclerosis is with me every day' -John King CNN host John King has covered American politics. (medlineplus.gov)
- Researchers may soon be able to look at images of our brains to help diagnose multiple sclerosis (MS) earlier. (medlineplus.gov)
- An estimated 2.3 million people worldwide live with Multiple Sclerosis (MS). MS is a hard-to-predict disease of the central nervous system. (medlineplus.gov)
- Before this new classification, trigeminal neuralgia was also classified as symptomatic and included cases in which the neuralgia was associated with other disorders such as traumas, tumors and multiple sclerosis. (bvsalud.org)
- increased risk of serious infectious diseases and autoimmune diseases such as multiple sclerosis (MS), rheumatoid arthritis, diabetes and intestinal inflammations. (lu.se)
Fibers15
- Overview of Demyelinating Disorders Most nerve fibers inside and outside the brain are wrapped with many layers of tissue composed of a fat (lipoprotein) called myelin. (msdmanuals.com)
- Sometimes the nerve fibers that send messages (axons) are also damaged. (msdmanuals.com)
- The facial nerve (cranial nerve VII) carries motor, secretory, and afferent fibers from the anterior two thirds of the tongue. (medscape.com)
- Afferent fibers from the anterior two thirds of the tongue enter the geniculate ganglion with the chorda tympani, as the greater and lesser petrosal nerve emerge from the superior part. (medscape.com)
- Different sensory receptors are innervated by different types of nerve fibers. (wikipedia.org)
- In MS, the body's immune system attacks the protective myelin sheath that covers the nerve fibers. (medicinenet.com)
- Symptoms may vary with people because of the location of affected nerve fibers and the severity of the disease. (medicinenet.com)
- Myelin sheaths cover the brain's nerve fibers, which keep them insulated. (medicalnewstoday.com)
- The corpus callosum is a bundle of nerve fibers that connects the left and right brain hemispheres. (medicalnewstoday.com)
- Compared with other groups, the percentage of type I fibers in the peroneus longus increased significantly in the group of rats with the pressure on the nerve and removal of the sarcolemma. (medscimonit.com)
- The symptoms of transverse myelitis are due to damage and/or destruction of the myelin sheath , the fatty white covering of nerve fibers that serves both to insulate the nerve fibers and to speed nervous conduction along them. (encyclopedia.com)
- Myelin helps nerve fibers conduct electrical impulses to and from the brain. (ucsfhealth.org)
- If nerve fibers to the bladder are affected, urinary incontinence may occur. (ucsfhealth.org)
- The postganglionic fibers are the sensory nerves to the face and exit via various foramina at the base of the skull. (medscape.com)
- It is the motor nerve for the muscles of mastication and contains proprioceptive fibers. (medscape.com)
Disorders2
- Other activities include studying gene expression from skin in inflammatory nerve or degenerative disorders. (unil.ch)
- Our neurologists act as a specialized consultant to other physicians for a variety of conditions ranging from stroke and headaches to nerve disorders and brain tumors. (providence.org)
Muscles5
- NCV = conduction distance / (proximal latency-distal latency) Many times, Needle EMG is also performed on subjects at the same time as other NCS procedures because they aid in detecting whether muscles are functioning properly in response to stimuli sent via their connecting nerves. (wikipedia.org)
- FDI, thenar and hypothenar muscles are innervated by C8-T1, and FDI and hypothenar muscles by the ulnar nerve. (bmj.com)
- Labor may also be complicated due to affected muscles and nerves which hinder pushing. (news-medical.net)
- ALS is a disease of the nerves and muscles that gets worse over time. (cdc.gov)
- The posterior auricular nerve (innervating postauricular and occipital muscles) branches posteriorly cranial just below the foramen, as do 2 smaller ones to the stylohyoideus and posterior belly of the digastric muscle. (medscape.com)
Myelin sheath3
- The autoimmune reaction results in inflammation, which damages the myelin sheath and the underlying nerve fiber. (msdmanuals.com)
- They are responsible for the formation of the fat-rich myelin sheath that surrounds the nerve fibres as an insulating layer. (sciencedaily.com)
- When MS damages the protective myelin sheath of nerve cells, the sheath sometimes repairs itself and nerves work correctly again. (ucsfhealth.org)
Branches of the Trigeminal Nerve3
- 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)
- 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)
Diagnosis2
- Computed tomography (CT) scanning and magnetic resonance imaging (MRI) are useful in the diagnosis of injury to intratemporal and/or intracranial affections of the facial nerve. (medscape.com)
- Trigeminal nerve block provides hemifacial anesthesia and is used predominantly in the diagnosis and treatment of neuralgia. (medscape.com)
Mandibular nerve2
- The mandibular nerve has sensory and motor functions. (medscape.com)
- The motor root passes under the ganglion to join the sensory division of the mandibular nerve and exits the skull through foramen ovale. (medscape.com)
20201
- Muscle & nerve 2020 0 0. (cdc.gov)
Cranial2
- The trigeminal nerve is the fifth cranial nerve and supplies sensory innervations to the face via its branches (see the image below). (medscape.com)
- The trigeminal nerve is the largest and most complex of the 12 cranial nerves (CNs). (medscape.com)
Conduction12
- Finding treatments designed to stimulate remyelinisation is thus a major new research direction for MS. Remyelinisation might make it possible to re-establish nerve conduction and prevent the condition of MS sufferers from deteriorating further. (inserm.fr)
- conduction slowing with relatively preserved nerve fibre layer suggests MS, while severe neuroaxonal loss after optic neuritis, often hindering VEP response, characterizes NMOSD. (ox.ac.uk)
- In neuroscience, nerve conduction velocity (CV) is the speed at which an electrochemical impulse propagates down a neural pathway. (wikipedia.org)
- CV is an important aspect of nerve conduction studies. (wikipedia.org)
- Largely generalized, normal conduction velocities for any given nerve will be in the range of 50-60 m/s. (wikipedia.org)
- Nerve conduction velocity is just one of many measurements commonly made during a nerve conduction study (NCS). (wikipedia.org)
- Nerve conduction studies are performed as follows: Two electrodes are attached to the subject's skin over the nerve being tested. (wikipedia.org)
- Nerve conduction latencies are typically on the order of milliseconds. (wikipedia.org)
- It is important to understand the effect of these various factors on the normal values for nerve conduction measurements to aid in identifying abnormal nerve conduction study results. (wikipedia.org)
- Nerve conduction studies performed on healthy adults revealed that age is negatively associated with the sensory amplitude measures of the Median, Ulnar, and Sural nerves. (wikipedia.org)
- Negative associations were also found between age and the conduction velocities and latencies in the Median sensory, Median motor, and Ulnar sensory nerves. (wikipedia.org)
- Areas of missing myelin and areas of scarring along the affected nerves result in slowed or disrupted nervous conduction and muscle dysfunction. (encyclopedia.com)
Trigeminal Nerve Anatomy1
- For more information about the relevant anatomy, see Trigeminal Nerve Anatomy . (medscape.com)
Infratemporal facial nerve1
- One was proposed in 1956 by Davis et al, who investigated the different course patterns of the infratemporal facial nerve in 350 cervicofacial halves. (medscape.com)
Impulses5
- Normal impulses in peripheral nerves of the legs travel at 40-45 m/s, and those in peripheral nerves of the arms at 50-65 m/s. (wikipedia.org)
- Electrical impulses are sent through one electrode to stimulate the nerve. (wikipedia.org)
- They transmit electrical impulses to remote parts of the brain and body via long nerve fibres known as axons. (sciencedaily.com)
- When this occurs, axons (the parts of the nerve cells that conduct impulses to other cells), don't work as well. (medicinenet.com)
- As more areas or nerves are affected by this loss of myelin, patients develop symptoms because the ability of axons to conduct impulses is diminished or lost. (medicinenet.com)
Sensory2
- When focal limb weakness occurs, ALS is differentiated from a root or peripheral nerve lesion by the lack of pain or sensory symptoms and possibly the presence of signs of hyperreflexia. (medscape.com)
- The ophthalmic and maxillary nerves are purely sensory. (medscape.com)
Fallopian canal2
- Intratemporally, the facial and vestibular cochlear nerves split, entering the fallopian canal of the temporal bone. (medscape.com)
- The facial nerve exits the fallopian canal through the stylomastoid foramen, afterward taking its extratemporal course anteriorly, inferiorly, and laterally. (medscape.com)
Chronic1
- Chronic lesions appear characterised by a loss of the nerve fibres. (inserm.fr)
Nervous1
- The bladder and urethra are innervated by 3 sets of peripheral nerves arising from the autonomic nervous system (ANS) and somatic nervous system. (medscape.com)
Neurons1
- In tests on mice, Demetriou found that genetic deficiencies in a process called protein glycosylation led to a spontaneous disease very similar to MS, including paralysis associated with inflammatory damage to the protective myelin coating on nerve cells and degeneration of axons and neurons. (sciencedaily.com)
Abnormal1
- The medical term sclerosis refers to abnormal hardening of body tissue. (medicinenet.com)
Inflammatory1
- MS is a two-stage disease, with initial attacks of inflammatory demyelination, which damages myelin, followed approximately 10 years later by a slow, progressive neurdegenerative phase marked by loss of axons and nerve cells. (sciencedaily.com)
Median2
- In this double blind crossover design, patients received either TENS or sham stimulation for 3 weeks (1 hour per day) on the median nerve region of the most impaired hand, followed by the other stimulation condition after a washout period of 6 months," the authors wrote. (msdiscovery.org)
- Carpal tunnel can happen if your wrist swells and compresses your median nerve. (greatist.com)
Patients2
- The Lab is specialized in studying characteristics of patients with hATTR amyloidosis, including MRI nerve studies and small nerve fiber quantification in the cornea. (unil.ch)
- trigeminal nerve block is reserved for patients who do not respond to medical treatment or patients in whom neurologic decompression of the canal is not feasible or has failed. (medscape.com)
Lateral1
- The nerve gives off branches lateral to the external jugular vein, constituting the zygomatic-temporal and the cervicofacial trunks. (medscape.com)
Course of the facial nerve2
- Topographically, the further course of the facial nerve is subdivided in 3 segments. (medscape.com)
- A diverse number of classifications of the extratemporal course of the facial nerve are found in literature. (medscape.com)
Fiber5
- When the protective myelin is damaged, the nerve fiber gets exposed causing the nerve signals to slow down or get blocked. (medicinenet.com)
- Herein, we evaluated the alteration in muscle fiber types and contractility of the peroneus longus muscle in rats after pressing its dominant nerves. (medscimonit.com)
- The skeletal muscle fiber type underwent adaptive changes due to double innervations with both fast and slow muscle nerves. (medscimonit.com)
- Our results show that pressing dominant nerves alter the skeletal muscle fiber types of the peroneus longus, which lead to increased maximal contraction and relaxation time, and significantly improve the ability in resistance to fatigue in rats. (medscimonit.com)
- Sometimes the nerve fiber itself is damaged and dies. (ucsfhealth.org)
Demyelination1
- 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)
Vascular2
- The stylomastoid branch of the posterior auricular artery provides vascular supply to the facial nerve during its intrafallopian course. (medscape.com)
- 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)