BIOLOGICAL BASES OF BEHAVIOR
BIOLOGICAL PSYCHOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Gray matter of the spinal cord is largely composed of
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cerebrospinal fluid
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cell bodies and unmyelinated interneurons
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myelinated axons
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Schwann cells
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Explanation:
Detailed explanation-1: -The grey matter is mainly composed of neuronal cell bodies and unmyelinated axons. Axons are the processes that extend from neuronal cell bodies, carrying signals between those bodies.
Detailed explanation-2: -Grey matter refers to unmyelinated neurons and other cells of the central nervous system. It is present in the brain, brainstem and cerebellum, and present throughout the spinal cord.
Detailed explanation-3: -Grey matter also contains axons, which are long extensions on cells, branched from the neuronal cell bodies. These axons are usually unmyelinated, meaning they are not covered by a white-ish fatty protein called myelin.
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