1. The Male Reproductive ystem 男性生殖系统

2. Composition The Male or female Reproductive System consists of two parts : Ⅰ.Internal genital organs 内生殖器 Gonads (sex glands) － manufacture the sex cells an secrete the sex hormones. Genital ducts –transport the sex cells from the site of production into site fertilization Accessory glands － secrete the fluid Ⅱ.External genital organs 外生殖器

3. Section 1 Male internal genital organs Ⅰ.Gonad –testis 睾丸 Ⅰ ) features Ⅱ ) Located in scrotum Ⅲ ) structures

5. Ⅱ.Epididymis 附睾 Comma-shaped, with head, body and tail of epididymis Located on superior extremity and posterolateral aspect of testis Function – the site of accumulation and storage of sperm

6. Ⅲ.Ductus deferens and Ejaculatory duct 输精管和射精管 Ductus deferens 输精管 Four part: Testicular part 睾丸部 Spermatic part 精索部 Inguinal part 腹股沟部 Pelvic part 盆部

7. Ⅱ )Spermatic cord 精索 Extends from the superior extremity of testis to the deep inguinal ring Contens: Three coverings: the internal spermatic fascia, cremaster and external spermatic fascia

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9. Ⅲ )Ejaculatory duct 射精管

10. Ⅳ.Seminal vesicle 精囊

11. v Ⅴ.Prostate 前列腺 Ⅰ ) Shape Chestnut-shaped organ Base 底 Apex 尖 Body 体 Posterior surfaces － prostatic sulcus 前列腺沟 Ⅱ )Contains of five lobes –Anterior lobe –Middle lobe –Posterior lobe –Right and left lobes

12. Ⅲ )position : Lies behind pubic symphysis, between neck of bladder and urogenital diaphragm

13. Ⅵ.Bulbourethral gland 尿道球腺

14. Section 2 The External genital organs Ⅰ. Scrotum 阴囊

15. Aponeurosis of obliquus externus abdominis Obliquus internus abdominis Trasversus abdominis Transvers fascia Parietal peritoneum External spermatic fascia 精索外筋膜 Cremastter 提睾肌 Internal spermatic fascia 精索内筋膜 Tunica vaginalis of testis 睾丸鞘膜 Parietal layer Visceral layer Vaginal cavity

16. Ⅱ.Penis 阴茎 Consists of the root, body and glans penis Contains –Two cavernous body of penis 阴茎海绵体 –A cavernous body of urethra 尿道海绵体 Skin － thin and loose –Prepuce of penis 阴茎包皮 –Frenulum of prepuce 包皮 系带

17. Section 3 Male urethra 男性尿道 Ⅰ. Three parts : Prostatic part 前列腺部 Membranous part 膜部 Cavernous part 海绵体部

18. Ⅱ. Three constrictions At the internal urethral orifice At the membranous part At the external orifice of urethra Ⅲ.Three enlarged parts At prostatic part At bulb of urethra At navicular fossa of urethra

19. Ⅳ.Two curvatures Subpubic curvature 耻骨下弯 Prepubic curvature 耻骨前弯

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