The membrane portion of the presynaptic active zone; it is the site where docking and fusion of synaptic vesicles occurs for the release of neurotransmitters. [ http://www.ncbi.nlm.nih.gov/pubmed/12812759 http://www.ncbi.nlm.nih.gov/pubmed/12923177 http://www.ncbi.nlm.nih.gov/pubmed/3152289 ]

Synonyms: pre-synaptic active zone membrane active zone pre-synaptic plasma membrane active zone plasma membrane active zone presynaptic plasma membrane

This is just here as a test because I lose it