title: The rate and retention of the habituation of the shadow reflex in Balanus improvisus (Cirripedia).
mesh_terms: D000109:Acetylcholine / Q000494:pharmacology; D000818:Animals; D003214:Conditioning, Classical; D003445:Crustacea; D006185:Habituation, Psychophysiologic / Q000187:drug effects; D008568:Memory; D013696:Temperature
chemical_list: D000109:Acetylcholine