...Yukio Kimura; Kuniaki Adachi; Noboru Kisaki; Kazuhisa Ise The effects of autonomic drugs on closure of the internal urethral orifice during ejaculation were investigated in dogs. The closure of the internal urethral orifice was induced by the electric stimulation of the lateral fibers of the lower...

...Yukio Kimura; Koyo Miyata; Kuniaki Adachi; Noboru Kisaki The peripheral nervous pathways controlling seminal emission and closure of the internal urethral orifice during ejaculation were examined experimentally using male adolescent dogs. The experimental methods were measurement of the contraction...