| a progressive wave of excitation over a nerve or muscle fiber that has a stimulating or inhibitory effect |
| being or occurring on the transmitting end of a discharge across a synapse |
evacuation e·vac·u·a·tion (ĭ-vāk'y&oomacr;-ā'shən)
n.
Discharge of waste materials from the excretory passages of the body, especially from the bowels.