title: A test of the sympathic nervous system of the urethra.
abstract: The administration of 5 mg phentolamine by a new technique decreases the urethral closure pressure by 38%. The latter could be used as a test for the sympatic nervous system in the urethra.
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010646:Phentolamine; D011312:Pressure; D013564:Sympathetic Nervous System / Q000502:physiology*; D014521:Urethra / Q000294:innervation*
chemical_list: D010646:Phentolamine