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1. Diseases Affecting Myelination Myelin sheaths, produced by oligodendrocytes and Schwann cells in the nervous system, serve to protect and insulate the axons of neurons with a fatty tissue. This allows electrical signals to propagate very quickly along the axon. In multiple sclerosis (MS), this myelination is disrupted in the CNS causing inflammation and damage to those axons, leaving scars (plaques) and interrupting the transmission of impulses (Figure 10.9). MYELIN SHEATH DESTRUCTION Figure 10.9. Nerve affected by multiple sclerosis. Question 1 Guillain-Barre Syndrome is another type of demyelination disease. Research this disease and provide one similarity and one difference between it and MS.

1. Diseases Affecting Myelination Myelin sheaths, produced by oligodendrocytes and Schwann cells in the nervous system, serve to protect and insulate the axons of neurons with a fatty tissue. This allows electrical signals to propagate very quickly along the axon. In multiple sclerosis (MS), this myelination is disrupted in the CNS causing inflammation and damage to those axons, leaving scars (plaques) and interrupting the transmission of impulses (Figure 10.9). MYELIN SHEATH DESTRUCTION Figure 10.9. Nerve affected by multiple sclerosis. Question 1 Guillain-Barre Syndrome is another type of demyelination disease. Research this disease and provide one similarity and one difference between it and MS.

Anatomy & Physiology
Anatomy & Physiology
1st Edition
ISBN:9781938168130
Author:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Publisher:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Chapter12: The Nervous System And Nervous Tissue
Section: Chapter Questions
Problem 7ILQ: Watch this video (http://openstaxcollege.org/l/summation) to learn about summation. The process of...
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Activities 1. Diseases Affecting Myelination Myelin sheaths, produced by oligodendrocytes and Schwann cells in the nervous system, serve to protect and insulate the axons of neurons with a fatty tissue. This allows electrical signals to propagate very quickly along the axon. In multiple sclerosis (MS), this myelination is disrupted in the CNS causing inflammation and damage to those axons, leaving scars (plaques) and interrupting the transmission of impulses (Figure 10.9). MYELIN SHEATH DESTRUCTION Figure 10.9. Nerve affected by multiple sclerosis. Question 1 Guillain-Barre Syndrome is another type of demyelination disease. Research this disease and provide one similarity and one difference between it and MS. Question 2 2. What type of neuroglial cell would you expect to find increased after brain injury and why?
Transcribed Image Text:Activities 1. Diseases Affecting Myelination Myelin sheaths, produced by oligodendrocytes and Schwann cells in the nervous system, serve to protect and insulate the axons of neurons with a fatty tissue. This allows electrical signals to propagate very quickly along the axon. In multiple sclerosis (MS), this myelination is disrupted in the CNS causing inflammation and damage to those axons, leaving scars (plaques) and interrupting the transmission of impulses (Figure 10.9). MYELIN SHEATH DESTRUCTION Figure 10.9. Nerve affected by multiple sclerosis. Question 1 Guillain-Barre Syndrome is another type of demyelination disease. Research this disease and provide one similarity and one difference between it and MS. Question 2 2. What type of neuroglial cell would you expect to find increased after brain injury and why?
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