sensory ganglion

n.

A cluster of primary sensory neurons forming a swelling in the course of a peripheral nerve or its dorsal root and establishing the sole afferent neural connection between the sensory periphery and the central nervous system.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.