Surrounds myelin sheath. Medical search. Frequent questions

Nerves are made up of axons (nerve fibers) surrounded by a myelin sheath. (medicalnewstoday.com)
All axons (with very, very rare exceptions) are surrounded by a myelin sheath. (scirp.org)
Axons are closely associated with glial cells which, on the one hand, surround them with an electrically insulating myelin sheath and, on the other hand support their long-term function. (sciencedaily.com)
however, myelin can do much more than act as the insulating layer on electricity cables: it increases the transmission speed of the axons and also reduces ongoing energy consumption. (sciencedaily.com)
Molecules from the myelin sheath surrounding their axons actively discourage growth. (harvard.edu)
The myelin sheaths of nerve cells in the human brain are lamellar membranes surrounding the neuronal axons. (mytum.de)
The myelin layers are important to the central nervous system as they ensure the rapid and uninterrupted communication of signals along the neuronal axons. (mytum.de)
We can see the myelin sheaths of the neuronal axons and we can distinguish the layers which have a thickness of 17.6 nanometers", details Prof. Robert Feidenhans'l from the Niels-Bohr-Institute in Copenhagen. (mytum.de)
Oligodendrocytes are responsible for axonal regulation and the generation and maintenance of the myelin sheath that surrounds axons. (abcam.com)
MS is primarily a demyelinating disorder where the myelin sheath surrounding neuronal axons (white matter) begins to degenerate due to an auto-immune attack. (news-medical.net)
Spinal cord injuries as well as neurodegenerative diseases are caused by abrupt or progressing damage in axons or myelin tissue. (europa.eu)
The white matter in nervous tissue mainly consists of long axons, typically a few microns diameter, surrounded by semi-permeable myelin sheath, which is a barrier for water diffusion. (europa.eu)
It is a protective covering which surrounds nerve axons which is responsible for proper conduction of nerve impulse throughout body. (planetayurveda.com)
Multiple Sclerosis is a non-hereditary disease in which the fatty myelin sheaths that surround the axons in the brain and spinal cord are damaged. (koreaherald.com)
Increased amounts of SM are found in the central nervous system (CNS) especially in the myelin sheath surrounding neuronal axons. (avantilipids.com)

Damage to myelin disrupts the ability of nerves to transmit information to nerve cells, resulting in neurological disability. (medicalnewstoday.com)
The immune system of a person with MS attacks the protective layer which surrounds the nerves. (medicalnewstoday.com)
Areas of missing myelin and areas of scarring along the affected nerves result in slowed or disrupted nervous conduction and muscle dysfunction. (encyclopedia.com)
The nerves are surrounded by a protective insulation - a white myelin sheath. (canceractive.com)
In the case of MS, the body attacks and destroys the protective sheath that surrounds your nerves. (pilatesfoundation.com)
The damage to and destruction of the myelin eventually affects the nerves. (pilatesfoundation.com)
The myelin sheaths surrounding cranial and spinal nerves are formed by which of the following cells? (proprofs.com)
A demyelinating disease is any condition that causes damage to the protective covering (myelin sheath) that surrounds nerve fibers in your brain, the nerves leading to the eyes (optic nerves) and spinal cord. (mayoclinic.org)
MOG antibodies damage the protective covering (myelin sheath) that surrounds nerve fibres in the brain, optic nerves, and spinal cord, so messages cannot pass along these nerves effectively, causing symptoms such as vision loss, muscle weakness, and pain. (eurekalert.org)
If this condition happens, the myelin sheath that protects and also surrounds the nerves within the spine, tend to deteriorate. (k9magazinefree.com)
The myelin sheath surrounding the nerves is destroyed causing neurologic problems, and the adrenal gland malfunction causes Addison's disease. (chuckiii.com)
Proper conduction of neuronal impulses along the myelinated nerves hinges on the structure of myelin. (cuny.edu)
It does this by helping to protect the myelin sheath that surrounds the nerves of the body. (beautynaturals.com)
Chronic inflammatory demyelinating polyneuropathy is thought to be caused by an autoimmune reaction that damages the myelin sheath around nerves. (msdmanuals.com)
When the myelin sheath is damaged (called demyelination), nerves do not conduct electrical impulses normally. (msdmanuals.com)
Schwannomas are benign nerve sheath tumors that arise from Schwann cells, which are responsible for producing the myelin sheath that surrounds nerves. (bvsalud.org)

Driven by inflammatory and neuro-degenerative processes, MS damages the myelin sheath, the material that surrounds and protects nerve cells, resulting in axonal damage in the brain and spinal cord. (biospace.com)

This sheath is the protective covering that surrounds nerve cells. (medlineplus.gov)
Multiple sclerosis results from the progressive deterioration of the protective fatty myelin sheath surrounding nerve cells. (sciencedaily.com)
These mutations can disrupt the normal production and maintenance of myelin, the protective sheath surrounding nerve fibers, or damage the nerve fibers themselves. (globenewswire.com)
Researchers at Oregon Health & Science University have developed a compound that stimulates repair of the protective sheath that covers nerve cells in the brain and spinal cord. (news-medical.net)
Multiple sclerosis is an autoimmune disease caused by damage to the myelin sheath, the protective covering that surrounds nerve cells, according to the National Center for Biotechnology Information. (massagemag.com)
He learned that MS is caused by damage to the myelin sheath, the protective coating that surrounds and insulates nerve fibers. (treatingyourself.com)

Intermittent attacks destroy the myelin sheath, i.e. the layer which surrounds the nerve fibres, causing multiple neurological symptoms. (css.ch)

The myelin sheath may be compact and spiralling around the axon or it may be non-compact and form a simple envelope around the axon. (scirp.org)
The axon (an extension of a nerve cell) is surrounded by a covering, like insulation, called myelin. (nih.gov)
The myelin sheath surrounding the axon speeds up the transmission of nerve signals and allows the transmission of signals over long distances. (nih.gov)
Surrounding the axon is the myelin sheath, which plays an important role in the rate of electrical transmission. (gsu.edu)
The myelin sheath around the axon prevents the gates on that part of the axon from opening and exchanging their ions with the outside environment. (gsu.edu)
One of the important roles of glial cells in the vertebrate nervous systems is to produce and maintain the myelin sheath, a special multiple-layered membrane surrounding the axon. (cuny.edu)
Consequently, its formation and maintenance are tightly regulated through interactions between axon and myelin-forming glial cells, and abnormality could lead to clinical conditions including multiple sclerosis (MS) and Charcot-Marie-Tooth disease. (cuny.edu)
the myelin sheath speeds up the signal sent down the axon. (todayifoundout.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)
In MS, the immune system attacks the myelin sheath, the fatty tissue that surrounds and protects nerve fibers, as well as the nerve fibers themselves. (va.gov)

For more than 70 years, biologists and biophysicists have been trying to unravel the mystery surrounding the saltatory conduction of so-called myelinated neurons. (scirp.org)
Multiple Sclerosis (MS) is a disease of the central nervous system characterized by the destruction of the myelin sheath surrounding neurons, resulting in the formation of "plaques. (conservapedia.com)
Neurons of the central nervous system are surrounded by a myelin sheath. (spinalcordinjuryzone.com)

MS occurs when the immune system attacks myelin, leaving scars or lesions in the demyelinated areas of the brain and spinal cord. (medicalnewstoday.com)
Sometimes the myelin can repair itself and the MS symptoms go away after the immune attack, or relapse. (va.gov)
In this disorder, your immune system attacks the myelin sheath or the cells that produce and maintain it. (mayoclinic.org)
The body's own immune cells attack and damage the layer that surrounds nerve cells in the brain and spinal cord, which affects their ability to communicate with each other. (eurekalert.org)
A misdirected immune response, when myelin pro- tection begins to disintegrate, symptoms vary widely depending on where the damage first occurs along the brain, optic nerve or spinal cord. (treatingyourself.com)
The body's immune system attacks the myelin sheath, which surrounds the nerve and enables nerve impulses to travel quickly. (msdmanuals.com)

When any part of the myelin sheath or nerve fiber is damaged or destroyed, nerve impulses traveling to and from the brain and spinal cord are distorted or interrupted, causing a wide variety of symptoms. (va.gov)
Myelin oligodendrocyte glycoprotein antibody-associated disease (MOGAD) - inflammatory disorder of the central nervous system, predominantly of the optic nerve and spinal cord. (mayoclinic.org)
The affected spinal cord had regional rarefaction of both gray and white matter and marked variation in myelin sheath size. (cdc.gov)

The findings suggest that the myelin oligodendrocyte glycoprotein (MOG) antibody is associated with a wider range of life-threatening autoimmune conditions than previously thought, including neuromyelitis optica spectrum disorders and encephalitis, which cause severe neurological (brain and nervous system) symptoms such as vision loss, muscle weakness, and loss of coordination and speech. (eurekalert.org)

MS is caused by damage to the myelin sheath. (medlineplus.gov)
As previously mentioned, MS causes damage to myelin. (medicalnewstoday.com)
The development of these diseases are still not fully understood," says Franz Pfeiffer, Professor for Biomedical Physics at TUM, "but are thought to be related to the damage of the myelin layers, so that messages from the brain reach the various parts of the body poorly or not at all. (mytum.de)
This damage is called demyelination and the scar tissues that develop when myelin is damaged are called sclerosis, also known as lesions or plaques. (va.gov)
However over time, the myelin and underlying nerve fibers cannot recover and suffer permanent damage. (va.gov)
However, diagnoses are often made with a combination of neurological assessments, MRI scans to observe myelin damage (which can confirm MS diagnoses), as well as evoked potential tests which can determine the speed of nervous transmission (which would be slower in MS). Blood tests may be used to rule out other conditions. (news-medical.net)
Adrenoleukodystrophy (ALD) is one of a group of genetic disorders called the leukodystrophies that cause damage to the myelin sheath, an insulating membrane that surrounds nerve cells in the brain. (news-medical.net)

The molecule appears to mediate the inhibitory signals of both myelin and proteoglycans from the glial scar - a convergence of pathways in a field that has become increasingly complex. (harvard.edu)
One type-myelin-surrounds the nerve fibers and allows them to carry signals through the nervous system. (futurity.org)
If the myelin sheath is lost, the cells can no longer conduct signals. (futurity.org)
Much like the insulation around an electrical wire, the myelin sheath enables nerve signals (electrical impulses) to be conducted along the nerve fiber with speed and accuracy. (msdmanuals.com)

This conduction is indeed very different and faster than for fibres "without" myelin. (scirp.org)
They are responsible for the formation of the fat-rich myelin sheath that surrounds the nerve fibres as an insulating layer. (sciencedaily.com)
The myelin also helps speed up all messages travelling in the fibres. (canceractive.com)

The blood of people with MS revealed increased levels of activation and cellular division among those T cells attacking the body's myelin sheaths that surround nerve cells. (eurekalert.org)

Schwannomas are benign tumours arising from Schwann cells, which form the myelin sheaths surrounding the peripheral nervous system. (bmj.com)

We can get a complete overview over the concentration and thickness of the myelin and this gives of the ability to determine whether the destruction of the myelin is occurring in spots or across the entire sample", he explains. (mytum.de)
It causes the progressive destruction of the myelin sheath surrounding the nerve cells, which is essential for their protection and for the transmission of nerve impulses, leading to motor, sensory, and cognitive disruption. (inserm.fr)

This has the advantage in healthy glial cells that the metabolic products which arise during the breaking down of glucose can be used as components for myelin synthesis. (sciencedaily.com)
Nematodes were surrounded by hemorrhage and small numbers of eosinophils, neutrophils, macrophages, and glial cells. (cdc.gov)

Three tumours had gain on 17q, which has also been reported in malignant peripheral nerve sheath tumours that are associated with neurofibromatosis type 1. (bmj.com)

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)

Changes in the myelin layers are associated with a number of neurodegenerative disorders such as cerebral malaria, multiple sclerosis, and Alzheimer's disease. (mytum.de)
We are now able to unravel, by means of THG, the organizing principle of myelin architecture and how it is violated to cause neurodegenerative disorders. (cuny.edu)

When the myelin sheath is damaged, nerve impulses slow or even stop, causing neurological problems. (mayoclinic.org)

It is difficult to study because of the current lack of technology to observe the myelin structure in vivo. (cuny.edu)

The loss of myelin hinders nerve cells from communicating with one another, leading to a host of neurological symptoms including loss of sensation, muscle spasms and weakness, fatigue, and pain. (sciencedaily.com)

The new approach can map, for example, the myelin sheaths of nerve cells, and can provide valuable information for research on multiple sclerosis and Alzheimer's disease. (mytum.de)
Multiple sclerosis - It also aids in the repair of myelin sheath. (planetayurveda.com)
So cobalt is good for the treatment of sclerosis because in sclerosis there is the breakdown of this sheath. (planetayurveda.com)

Most nerve fibers inside and outside the brain are wrapped with many layers of tissue composed of a fat (lipoprotein) called myelin. (msdmanuals.com)
A nerve is an organ composed of multiple nerve fibers bound together by sheaths of connective tissue. (medscape.com)

However, they do not directly repair damaged myelin. (medicalnewstoday.com)
Researchers and doctors are now trying to form treatment strategies for MS that include neurotrophins, such as NGF, for myelin repair. (medicalnewstoday.com)
The ability to effectively repair myelin is a key factor in countering the progression of MS. Understanding why and how some patients are able to better manage the disease than others is essential. (inserm.fr)

And this is precisely what the scientists observed in their mice: the animals' myelin was initially formed in the normal way. (sciencedaily.com)
In the latest research, with mice, Clemastine caused significant regeneration of the myelin sheath and improved the animals' cognitive function following chemotherapy treatment. (canceractive.com)

This sheath protects the nerve cells, but it also prevents their regeneration after injury. (spinalcordinjuryzone.com)

The techniques allows us to ask important questions in the neurobiology of myelin, including the significance of cortical myelination in the development and diseases and the functional roles of prominent myelin domains, in particular of Schimidt-Lanterman incisure and Cajal band. (cuny.edu)

Interestingly, the function of the oligodendrocytes goes far beyond the mere provision of myelin. (sciencedaily.com)

There are gaps between the myelin sheath cells known as the Nodes of Ranvier. (gsu.edu)

In order to find methods to prevent or treat the diseases it is important to understand the connection between the myelin changes and the diseases. (mytum.de)

It had previously been shown by researchers from UCSF and Cambridge University ( 6 ) to enhance white matter myelin integrity in a mouse study in hypoxic (low oxygen) damaged brain conditions, but had never be researched in situations involving chemotherapy. (canceractive.com)

These layers form the myelin sheath. (msdmanuals.com)

Anatomy32

Organisms9

Diseases12

Chemicals and Drugs19

Analytical, Diagnostic and Therapeutic Techniques and Equipment15

Psychiatry and Psychology14

Phenomena and Processes17

Disciplines and Occupations1

Information Science2

Health Care2

Axons15

Nerves16

Damages the myelin sheath1

Protective6

Destroy the myelin sheath1

Axon8

Fatty2

Neurons3

Immune6

Spinal3

Oligodendrocyte glycoprotein1

Damage7

Signals4

Fibres3

Body's1

Schwann1

Destruction2

Glial cells2

Peripheral1

Nervous system1

Neurodegenerative disorders2

Impulses1

Observe1

Symptoms1

Sclerosis3

Tissue2

Repair3

Mice2

Prevents1

Roles1

Oligodendrocytes1

Cells1

Diseases1

White1

Form1