| neurohumoral secretion | Transmission of a nerve impulse across a synapse or to an end-organ by secretion of a minute amount of a chemical transmitter such as acetylcholine. (05 Mar 2000) |
|---|---|
| neurohumoral transmission | A process by which a presynaptic cell, upon excitation, releases a specific chemical agent (a neurotransmitter) to cross a synapse to stimulate or inhibit the postsynaptic cell. Synonym: neurotransmission. (05 Mar 2000) |