dorsal horn vs posterior horn

dorsal horn and posterior horn both are nouns.

Word	Noun	Adjective	Verb	Adverb
dorsal horn	Yes	No	No	No
posterior horn	Yes	No	No	No

As nouns, dorsal horn and posterior horn are synonyms defined as:

dorsal horn and posterior horn: one of two roots of a spinal nerve that passes dorsally from the spinal cord and that consists of sensory fibers

Other synonyms of dorsal horn include dorsal root, posterior root.

dorsal horn (noun)	posterior horn (noun)
one of two roots of a spinal nerve that passes dorsally from the spinal cord and that consists of sensory fibers	one of two roots of a spinal nerve that passes dorsally from the spinal cord and that consists of sensory fibers