BRAIN
SPINAL CORD
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What do you call the protrusion of gray matter on either side in the thoracic upper lumbar segments
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posterior horn
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anterior horn
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lateral horn
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all of these
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Explanation:
Detailed explanation-1: -The lateral horn of the spinal cord is the small lateral projection of grey matter located between the dorsal horn and ventral horn and contain the neuronal cell bodies of the sympathetic nervous system.
Detailed explanation-2: -Lateral horn of spinal cord refers to a lateral sideways extension of the lateral intermediate substance (lamina VII). It can be found only in the thoracic and upper lumbar spinal segments (T1 to L2) and therefore does not extend throughout the length of the spinal cord.
Detailed explanation-3: -The cell bodies of preganglionic sympathetic fibers are found within the lateral horn of the spinal grey matter.
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