ventral root

noun

See under nerve root.

Origin of ventral root

First recorded in 1920–25

Words nearby ventral root

ventral column of spinal cord, ventral fin, ventral horn, ventral plate, ventral plate of neural tube, ventral root, ventral thalamic peduncle, ventri-, ventricle, ventricles, ventricose

Definition for ventral root (2 of 2)

nerve root

noun Anatomy.

a nerve fiber bundle that emerges from either side of the spinal cord and joins with a complementary bundle to form each spinal nerve in the series of spinal nerves: the root at the rear of the spinal cord (dorsal root or sensory root) conveys sensations to the central nervous system, and the root at the front (ventral root or motor root) conveys impulses to the muscles.

Origin of nerve root

First recorded in 1875–80

Medical definitions for ventral root

ventral root

n.

The motor root of a spinal nerve.