The acetylcholine content and cholinesterase activity of the bull retractor penis muscle.
D000109:Acetylcholine / Q000032:analysis*; D000818:Animals; D001001:Anura; D002417:Cattle; D002802:Cholinesterases / Q000032:analysis*; D004386:Duodenum / Q000201:enzymology; D008297:Male; D009132:Muscles / Q000201:enzymology*; D009476:Neurons, Efferent / Q000502:physiology; D010413:Penis / Q000201:enzymology / Q000294:innervation; D001743:Urinary Bladder / Q000201:enzymology
D002802:Cholinesterases; D000109:Acetylcholine