Exam (elaborations)
ANSC 205_ Model of Spinal Cord (week 6)
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- Grade 3 Engineering Omaha Exam Prep By NAPE.
ANSC 205_ Model of Spinal Cord (week 6)
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ANSC 205: Model of Spinal Cord (week 6)Dorsal and ventral horns (of grey matter of spinal cord) - ANS-The dorsal horn is narrow
and extends out to the edge of the spinal cord, while the ventral horn is rounded
Dorsal and ventral nerve roots - ANS-roots emerge from each pair of adjacent vertebrae
dorsal nerve roots contain sensory (afferent) fibers
ventral nerve roots contain motor (efferent) fibers
Dorsal nerve ganglion - ANS-a cluster of neurons (a ganglion) in a dorsal root of a
spinal nerve. The cell bodies of sensory neurons known as first-order neurons are
located here.
grey matter of spinal cord - ANS-Unmyelinated Nervous Tissue
Collection of Cell Bodies
Spinal nerve - ANS-a peripheral nerve attached to the spinal cord
white matter of spinal cord - ANS-This area surrounds the gray matter. It is composed of
both myelinated and unmyelinated axons. It has three regions, anterior, lateral, and
posterior columns.
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