2006-09-04 23:32:44 · 7 answers · asked by Anonymous in Science & Mathematics ➔ Biology
An abnormal response of the body’s immune system (auto-immune disease), possibly caused by a virus, triggers lymphocytes to enter the brain via the blood system. This sets off a series of chemical and cellular events.
Neuralgia cells known as oligodendrocytes and astrocytes, repair the damaged entry sites and the Myelin sheath, the soft, white, fatty substance that forms a protective sheath for the nerves, becomes inflamed in the process, leaving scar tissue, known as gliotic plaques. These plaques become hard and sclerotic.
A sclerosis is a thickening or hardening of cellular tissue. The scar tissue then causes an obstruction of the flow of nerve impulses that pass along the nerve cells.
2006-09-05 01:59:28 · answer #1 · answered by alpha 7 · 0⤊ 0⤋
Maybe it is destroyed because when MS is present perhaps a chemical is missing that is needed for the myelin sheath. When the chemical is missing, a decay of the sheath takes place causing a short circuit in the brain and instead of mental illness like bi-polar or something similar MS appears.
2006-09-04 23:44:27 · answer #2 · answered by antsnana0625 1 · 0⤊ 0⤋
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2016-05-14 20:04:32 · answer #3 · answered by Anonymous · 0⤊ 0⤋
as ms is a degenerating and gradual disease the sheath has no resistance to it along with most of the bodies normal functioning organs.
ms destroys in a slow manner until the body breaks down causing normal body functions in particular muscles to shut down and cause loss, and pain not experienced with other muscular diseases the sheath is only part of the disease in general, there will be a number of sites on the internet with more detailed information, try online doctors etc
2006-09-04 23:54:54 · answer #4 · answered by mentor 5 · 0⤊ 0⤋
1
2017-02-25 21:04:59 · answer #5 · answered by Lationd1957 3 · 0⤊ 0⤋
The myelin sheath is vunerable to attack by the immune system.
2006-09-04 23:59:49 · answer #6 · answered by magician 1 · 0⤊ 0⤋
u and ur fatness
2006-09-08 00:04:28 · answer #7 · answered by firatebcin 1 · 0⤊ 2⤋