Term Name: | presynaptic membrane |
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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 |