The motor neurons affected by ALS are found in the spinal nerves and peripheral branches of those spinal nerves only. O True O False
The motor neurons affected by ALS are found in the spinal nerves and peripheral branches of those spinal nerves only. O True O False
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Transcribed Image Text:The motor neurons affected by ALS are found in the spinal nerves and peripheral branches of those spinal nerves only.
True
False
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Step 1
Motor neurons are the class of neurons that are different in structures than other neurons because they have their cell body embedded in the motor cortex of the brain, and the axon or the nerve fiber extends out of the spinal cord directly to the organs.
The peripheral nervous system is part of the nervous system, other than the brain and the spinal cord. It consists of the cranial nerves, spinal nerves, and their roots and branches, peripheral nerves, and neuromuscular junctions.
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