Assertion: neuron's receptor | /r/CapableOf | open ligand-gated ion channels
Facets:
value: in the postsynaptic cell membrane
type: LOCATION
value: directly
type: MANNER
Source sentences:
text: First, the receptors may directly open ligand-gated ion channels in the postsynaptic cell membrane, causing ions to enter or exit the cell and changing the local transmembrane potential.