being or occurring on the transmitting end of a discharge across a synapse.
Origin of presynaptic
1905–10; pre- + synaptic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Relating to the area on the proximal side of a synaptic gap.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.