Acetylcholine in the urophysis of several species of teleosts.
D000109:Acetylcholine / Q000032:analysis*; D000818:Animals; D001001:Anura; D001681:Biological Assay; D001923:Brain Chemistry; D002347:Carps; D002849:Chromatography, Gas; D005399:Fishes; D013058:Mass Spectrometry; D009119:Muscle Contraction; D009490:Neurosecretory Systems / Q000032:analysis*; D013116:Spinal Cord / Q000032:analysis
D000109:Acetylcholine