Any of several small, intracellular, membrane-bound vesicles at a synaptic junction of neurons that contain the neurotransmitter.
- synaptic cleft,
- synaptic conduction,
- synaptic gap,
- synaptinemal complex,
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.