unipolar neuron


A neuron whose cell body emits a single axonal process resulting from the fusion of two polar processes during development, one branch of the process serving as a sensory nerve fiber and a second branch entering into synaptic contact with neurons in the spinal cord or brainstem.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.