title: Urethral resistance: its components and implications. I. Smooth muscle component.
mesh_terms: D000804:Angiotensin II / Q000494:pharmacology; D000818:Animals; D001341:Autonomic Nervous System / Q000502:physiology*; D004285:Dogs; D004558:Electric Stimulation; D004837:Epinephrine / Q000494:pharmacology; D005260:Female; D008297:Male; D008365:Manometry; D008688:Methacholine Compounds / Q000494:pharmacology; D009130:Muscle, Smooth / Q000502:physiology*; D009638:Norepinephrine / Q000494:pharmacology; D011312:Pressure; D014521:Urethra / Q000294:innervation / Q000502:physiology*; D001743:Urinary Bladder / Q000187:drug effects; D014546:Urinary Catheterization; D014554:Urination
chemical_list: D008688:Methacholine Compounds; D000804:Angiotensin II; D009638:Norepinephrine; D004837:Epinephrine