title: Penile erection occurs when penile vascular resistance is decreased and corporal smooth muscle is relaxed.
authors.affiliation: Department of Urology, Nagasaki University School of Medicine, Japan. int.doc.miya@m3.dion.ne.jp
authors.forename: Yasuyoshi
authors.initials: Y
authors.lastname: Miyata
mesh_terms: D000818:Animals; D000242:Cyclic AMP / Q000378:metabolism; D006157:Guanosine Monophosphate / Q000378:metabolism; D006801:Humans; D008297:Male; D009126:Muscle Relaxation / Q000187:drug effects / Q000502:physiology*; D009130:Muscle, Smooth / Q000187:drug effects / Q000502:physiology*; D010410:Penile Erection / Q000187:drug effects / Q000502:physiology*; D010726:Phosphodiesterase Inhibitors / Q000494:pharmacology; D015398:Signal Transduction / Q000187:drug effects; D014655:Vascular Resistance / Q000187:drug effects / Q000502:physiology*
chemical_list: D010726:Phosphodiesterase Inhibitors; D006157:Guanosine Monophosphate; D000242:Cyclic AMP