ventral root vs anterior horn

ventral root and anterior horn both are nouns.

Word	Noun	Adjective	Verb	Adverb
ventral root	Yes	No	No	No
anterior horn	Yes	No	No	No

As nouns, ventral root and anterior horn are synonyms defined as:

ventral root and anterior horn: one of the two roots of a spinal nerve that passes ventrally from the spinal cord and that consists of motor fibers

Other synonyms of ventral root include anterior root, ventral horn.

ventral root (noun)	anterior horn (noun)
one of the two roots of a spinal nerve that passes ventrally from the spinal cord and that consists of motor fibers	one of the two roots of a spinal nerve that passes ventrally from the spinal cord and that consists of motor fibers