“…Some evidence concerning the distribution of axand ,B-adrenoceptors in urinary bladder has been obtained in single-dose studies on strips from urinary bladder of experimental animals (Edmunds & Roth, 1920;Young & Macht, 1923;Edvardsen & Setekleiv, 1-968;Salimi, Setekleiv & Skobba, 1969;Malin & Boyarsky, 1970;Rohner, Raezer, Wein & Schoenberg, 1971;Nergardh & Boreus, 1972) and of man (Wesson, 1920;Young & Macht, 1923;Coupar & Turner, 1969;Todd & Mack, 1969;Nergardh & Boreus, 1972). Few studies, however, have compared detrusor and bladder neck in man (Young & Macht, 1923;Nergardh & Boreus, 1972).…”