Prostaglandins.
D000818:Animals; D006224:Cricetinae; D004064:Digestive System / Q000187:drug effects / Q000378:metabolism; D004285:Dogs; D004336:Drug Antagonism; D005260:Female; D005730:Ganglionic Blockers / Q000494:pharmacology; D006168:Guinea Pigs; D000882:Haplorhini; D007668:Kidney / Q000098:blood supply / Q000187:drug effects / Q000378:metabolism; D008297:Male; D009119:Muscle Contraction / Q000187:drug effects; D009130:Muscle, Smooth / Q000187:drug effects / Q000378:metabolism; D010276:Parasympatholytics / Q000494:pharmacology; D011448:Prostaglandin Antagonists; D011453:Prostaglandins / Q000378:metabolism* / Q000494:pharmacology; D011817:Rabbits; D051381:Rats; D011955:Receptors, Drug; D012039:Regional Blood Flow / Q000187:drug effects; D012098:Reproduction / Q000187:drug effects; D012137:Respiratory System / Q000378:metabolism; D012661:Semen / Q000378:metabolism; D013779:Tetrodotoxin / Q000494:pharmacology; D014599:Uterus / Q000187:drug effects
D005730:Ganglionic Blockers; D010276:Parasympatholytics; D011448:Prostaglandin Antagonists; D011453:Prostaglandins; D011955:Receptors, Drug; D013779:Tetrodotoxin