title: Contraction and relaxation of the retractor penis muscle and the penile artery of the bull.
mesh_terms: D000109:Acetylcholine / Q000494:pharmacology; D000255:Adenosine Triphosphate / Q000494:pharmacology; D000818:Animals; D001905:Botulinum Toxins / Q000494:pharmacology; D001920:Bradykinin / Q000494:pharmacology; D002417:Cattle; D004837:Epinephrine / Q000494:pharmacology; D006426:Hemicholinium 3 / Q000494:pharmacology; D006632:Histamine / Q000494:pharmacology; D007545:Isoproterenol / Q000494:pharmacology; D008297:Male; D009119:Muscle Contraction / Q000187:drug effects; D009130:Muscle, Smooth; D009538:Nicotine / Q000494:pharmacology; D009638:Norepinephrine / Q000494:pharmacology; D010413:Penis / Q000098:blood supply* / Q000187:drug effects / Q000502:physiology*; D010830:Physostigmine / Q000494:pharmacology; D011458:Prostaglandins E / Q000494:pharmacology; D011460:Prostaglandins F / Q000494:pharmacology; D012039:Regional Blood Flow; D012701:Serotonin / Q000494:pharmacology; D013997:Time Factors
chemical_list: D011458:Prostaglandins E; D011460:Prostaglandins F; D006426:Hemicholinium 3; D012701:Serotonin; D009538:Nicotine; D006632:Histamine; D000255:Adenosine Triphosphate; D010830:Physostigmine; D001905:Botulinum Toxins; D007545:Isoproterenol; D000109:Acetylcholine; D001920:Bradykinin; D009638:Norepinephrine; D004837:Epinephrine