Emission of semen into the urethra depends on sympathetic nerves that elicit contractions of smooth muscles in the vas deferens, seminal vesicles, and prostate. Rhythmic contractions of striated muscle (bulbocavernosus and ischiocavernosus) generated by efferent pathways in the pudendal nerve eject ...
Fracture of the penis is an uncommon injury that results from trauma to the erect penis, usually during sexual intercourse. In some cases, the urethra is i... AF Fergany,KW Angermeier,DK Montague - 《Urology》 被引量: 298发表: 1999年 Prevalence and Correlates of Erectile Dysfunction by Rac...