Term Name:	presynaptic membrane
Synonyms:	pre-synaptic membrane, presynaptic plasma membrane
Definition:	A specialized area of membrane of the axon terminal that faces the plasma membrane of the neuron or muscle fiber with which the axon terminal establishes a synaptic junction; many synaptic junctions exhibit structural presynaptic characteristics, such as conical, electron-dense internal protrusions, that distinguish it from the remainder of the axon plasma membrane.
Ontology:	GO: Cellular Component [GO:0042734]    QuickGO    AmiGO