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Multiple Sclerosis

Multiple Sclerosis. Marykate Frisch Sam c. Ogburn, III Reilly X. Mcdaniel John Paul z. Fenn. The Nervous System. Controls & Coordinates Body Movement & Senses Conciseness & Creativity Monitors & Maintains Body Systems Brain . The Nervous System.

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Multiple Sclerosis

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  1. Multiple Sclerosis Marykate Frisch Sam c. Ogburn, III Reilly X. Mcdaniel John Paul z. Fenn

  2. The Nervous System Controls & Coordinates Body Movement & Senses Conciseness & Creativity Monitors & Maintains Body Systems Brain

  3. The Nervous System -neurons= coordinates actions, transmit signals through the body -myelin sheath= electric insulating material around axon

  4. The Immune System • Provides protection against infectious diseases • adaptive vs. innate immunity • adaptive= active after exposure to antigen • innate= active upon infection whether or not the antigen has been seen before

  5. The Immune System cytotoxicT cells= binds to infected cell and destroys it attack body cells infected with pathogens activated by helper t cells lymphocytes= type of white blood cell that is responsible for the required immune response macrophage=a large phagocytic cell found in stationary form in the tissues or as a mobile white blood cell, esp. at sites of infection.

  6. How the System Interact Maintain extensive communication Neurotransmitters control immune activity Immune system controls brain activity (body temperature, sleep and feeding behavior)

  7. Symptoms of MS Muscle spasms, trouble moving, constipation, double vision, vision loss, decreased attention span, depression, dizziness, hearing loss, slurred speech

  8. Abnormal Interactions • t-cells react against the myelin sheath of neurons resulting in the progressive loss of signal conduction, muscle control and brain function • It is unknown as to what sparks this • shows importance of the myelin sheath: • insulates the axon, preserving the signal and allowing it to probate quickly

  9. Abnormal Interaction Autoimmune disease= inappropriate immune response of the body, mistakes part of the body as pathogen and attacks the cell Gradual destruction of myelin sheath Much Like a stripped wire, short circuiting occurs

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