excitatory extracellular ligand-gated ion channel activity

Go to external page http://purl.obolibrary.org/obo/GO_0005231

Enables the transmembrane transfer of an ion by a channel that opens when a specific extracellular ligand has been bound by the channel complex or one of its constituent parts, where channel opening contributes to an increase in membrane potential. [ http://openisbn.com/search.php?q=0323037070&isbn=1/ ]

This is just here as a test because I lose it