NEET PG DENTAL EXAM

BRAIN

SPINAL CORD

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The ventral horns contain ____
A
the cell bodies of sensory neurons
B
the axons of sensory neurons
C
the axons of motor neurons
D
the cell bodies of motor neurons
Explanation: 

Detailed explanation-1: -The ventral horns contains the cell bodies of motor neurons that send axons via the ventral roots of the spinal nerves to terminate on striated muscles.

Detailed explanation-2: -Motor neurons in the ventral horn project their axons into the periphery to innervate skeletal and smooth muscles that mediate voluntary and involuntary reflexes. It contains neurons whose descending axons mediate autonomic control for most of the visceral functions.

Detailed explanation-3: -The motor neuron’s cell body is located in gray matter in the ventral horn, and its long axon leaves the cord via the ventral root and continues on to a muscle where it makes a neuromuscular junction.

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