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			== Pathophysiology of multiple sclerosis ==
			<gallery>
			File:1206_The_Neuron.jpg\|Diagram of a neuron
			File:Myelin_sheath_damage_in_multiple_sclerosis.svg\|Illustration of myelin sheath damage in multiple sclerosis
			File:Glial_Cell_Types.png\|Types of glial cells
			</gallery>

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'''Pathophysiology of Multiple Sclerosis'''

The '''[[Pathophysiology]] of [[Multiple Sclerosis]]''' refers to the functional changes that occur in the body as a result of the disease Multiple Sclerosis (MS). MS is a chronic, inflammatory, autoimmune disease of the [[Central Nervous System]] (CNS), which includes the brain and spinal cord.

== Disease Process ==

The disease process of MS involves an abnormal response of the body's immune system. This response is directed against [[myelin]], the fatty substance that surrounds and insulates the nerve fibers, and the nerve fibers themselves. This process is referred to as [[demyelination]].

== Demyelination ==

In MS, the immune system attacks myelin, causing inflammation and damage. This damage disrupts the normal flow of electrical impulses along the nerve fibers, leading to a range of neurological symptoms. The exact cause of this immune-mediated response is unknown, but it is believed to involve a combination of genetic and environmental factors.

== Lesions and Scarring ==

The areas of inflammation and demyelination in the CNS are visible on [[Magnetic Resonance Imaging]] (MRI) scans as areas of damage called [[lesions]]. Over time, these lesions can lead to the formation of scar tissue, a process known as [[sclerosis]]. This is where the disease gets its name.

== Symptoms ==

The symptoms of MS vary widely and depend on the location and extent of the lesions in the CNS. Common symptoms include fatigue, difficulty walking, numbness or tingling, muscle weakness and spasms, poor balance and coordination, and problems with speech and swallowing.

== Treatment ==

While there is currently no cure for MS, treatments are available to manage symptoms and slow the progression of the disease. These include [[disease-modifying therapies]] (DMTs), which aim to reduce the frequency and severity of relapses, and symptom management therapies, which aim to improve quality of life.

== Research ==

Research into the pathophysiology of MS is ongoing, with the aim of better understanding the disease process and developing new treatments. This includes research into the role of the immune system, the process of demyelination and remyelination, and the genetic and environmental factors that may contribute to the development of the disease.

[[Category:Pathophysiology]]
[[Category:Multiple Sclerosis]]
[[Category:Neurological Disorders]]
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Pathophysiology of multiple sclerosis - Revision history

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