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a process by which a presynaptic cell, on excitation, releases a specific chemical agent (a neurotransmitter) to cross a synapse to stimulate or inhibit the postsynaptic cell.
pertaining to or emanating from neurohumor.
include epinephrine, norepinephrine, acetylcholine, possibly histamine, serotonin and gamma-aminobutyric acid.
the transmission of a nervous impulse from neuron to neuron or from neuron to effector organ by means of a neurohumoral substance.