Membrane permeability and receptor function.
D000109:Acetylcholine; D000818:Animals; D003400:Astacoidea; D001665:Binding Sites; D002463:Cell Membrane Permeability; D004553:Electric Conductivity; D006863:Hydrogen-Ion Concentration; D007700:Kinetics; D008954:Models, Biological; D011950:Receptors, Cholinergic; D013816:Thermodynamics; D005680:gamma-Aminobutyric Acid
D011950:Receptors, Cholinergic; D005680:gamma-Aminobutyric Acid; D000109:Acetylcholine