obsolete neurotransmitter catabolic process (obsolete GO:0042135)
neurotransmitter breakdown
exact
neurotransmitter catabolism
exact
neurotransmitter degradation
exact
OBSOLETE. The chemical reactions and pathways resulting in the breakdown of any of a group of substances that are released on excitation from the axon terminal of a presynaptic neuron of the central or peripheral nervous system and travel across the synaptic cleft to either excite or inhibit the target cell.