Mesh : Acetylcholine / pharmacology Angiotensin II / pharmacology Animals Blood Vessels / drug effects Carbachol / pharmacology Desensitization, Immunologic Epinephrine / pharmacology Female Ganglia / drug effects Heart / drug effects Histamine / pharmacology Intestines / drug effects Male Muscle, Smooth / drug effects Neuromuscular Junction / drug effects Norepinephrine / pharmacology Rats Receptors, Drug / drug effects Seminal Vesicles / drug effects Serotonin / pharmacology Stomach / drug effects Succinylcholine / pharmacology Ureter / drug effects Uterus / drug effects