title: Some observations on sensitisation of isolated swim bladder of teleost fish Ophiocephalus punctatus Bloch. to acetylcholine by the extract of caudal neurosecretory substances.
mesh_terms: D000109:Acetylcholine / Q000494:pharmacology*; D000400:Air Sacs / Q000187:drug effects*; D000818:Animals; D004357:Drug Synergism; D005399:Fishes; D066298:In Vitro Techniques; D009119:Muscle Contraction / Q000187:drug effects; D009490:Neurosecretory Systems; D014020:Tissue Extracts / Q000494:pharmacology*
chemical_list: D014020:Tissue Extracts; D000109:Acetylcholine