文档介绍：生殖系统 The Reproductive System 组成?内***?生殖腺: ?输送管道: ?附属腺: ?外***功能男性生殖系统 The Male Reproduce System ?内***?生殖腺:睾丸?输送管道:附睾、输精管、男尿道?附属腺:精囊、前列腺、尿道球腺?外***:阴囊、***男性内***睾丸 Gonad – testis ?形态?构造: ?白膜?睾丸纵隔?睾丸小隔: ?睾丸小叶 100 ~ 200 ?精曲小管: 2~3条?精直小管?睾丸网?睾丸输出小管: 15 ~ 20 条 Genital ducts Epididymis 附睾? Comma-shaped, with head, body and tail of epididymis ? Located on superior extremity and posterolateral aspect of testis ? Contains tortuous canal that extends from testis to ductus (vas) deferens in spermatic cord ? Function – the site of accumulation and storage of sperm Ductus deferens 输精管? Muscular tube that transports sperm form epididymis to ejaculatory duct ? Four part: ? Testicular part 睾丸部- extends form the tail of epididymis to the superior extremity of testis ? Spermatic part 精索部- extends form superior extremity of testis to the superficial inguinal ring, the place where the vasectomy is performed ? Inguinal part 腹股沟部- extends form superficial to deep inguinal rings ? Pelvic part 盆部- crosses the obturator neurovascular bundle and the ureter to reach the base of bladder, terminal part dilates, forming ampulla ductus deferentis Vasectomy Spermatic cord 精索? Extends from the superior extremity of testis to the deep