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. [ GOC:jl https://www.worldcat.org/search?q=bn%3A0815316194 ]
Synonyms: pre-synaptic membrane presynaptic plasma membrane
Term information
Term relations
- voltage-gated monoatomic ion channel activity involved in regulation of presynaptic membrane potential
- ligand-gated monoatomic ion channel activity involved in regulation of presynaptic membrane potential
- monoatomic ion antiporter activity involved in regulation of presynaptic membrane potential
- ATPase coupled ion transmembrane transporter activity involved in regulation of presynaptic membrane potential
- neurotransmitter receptor activity involved in regulation of presynaptic cytosolic calcium ion concentration
- G protein-coupled neurotransmitter receptor activity involved in regulation of presynaptic membrane potential