《系统解剖学》课件：6 The male reproductive organs

1、The Male Reproductive System 男性生殖系,2,The Reproductive System,The male reproductive organs The female reproductive organs,3,Structures of the reproductive systems,4,The male reproductive organs,Internal genital organs: gonad- testis (睾丸）, ducts - epididymis （附睾）, ductus deferens （输精管） ejaculatory duc

2、ts （射精管） urethra （尿道） accessory glands- seminal vesicle (精囊腺) prostate (前列腺) bulbourethral glands (尿道球腺) External genital organs: scrotum (阴囊), penis (阴茎),5,6,7,. The testis 睾丸:,The features of testes- Paired oval-shaped organs They are in the scrotum (crypart) 2 extremities, 2 surfaces, 2 borders:

3、Posterior border (mesorchial border) connected with the epididymis Anterior border-,8,The structure of testes:,9,Position: in the scrotum, attached to the posterior borderof the testis External feature: 3 parts- head, body, tail Structure:,. The Epididymis 附睾:,10,. The ductus deferens: 输精管,输精管的分部： 睾

4、丸部 testicular part, 精索部 spermatic part, 腹股沟部 inguinal part, 盆部 pelvic part: 最长 输精管末端膨大称之为： 输精管壶腹ampulla ductus deferentis,11,The ductus deferens,Testicular part,Funicular part,Inguinal part,Pelvic part,12,Spermatic cord 精索: - 位于睾丸上端与腹股沟管内口之间。 - 内含的结构有: 输精管 ductus deferense, 睾丸动脉 testicular artery 蔓状

5、静脉丛 pampiniform plexus of vein 神经丛 nervous plexus 淋巴管 lymphatic vessels - 三层被膜: 精索外筋膜 external spermatic fascia 提睾肌 cremaster muscle 精索内筋膜 internal spermatic fascia,13,14,Descending testis,15,Formation: Its formed by the union of the end portion of the ductus deferens and the seminal vesicle duct. P

6、osition: It penetrated the base of the prostate, and opened into the prostatic portion of urethra.,.The Ejaculatory duct 射精管:,16,17,分三部分 前列腺部 prostatic portion 膜部 membranous portion 海绵体部 cavernous portion 三个狭窄的位置 内口 internal orifice 膜部 membranous portion 外口 external orifice 三个扩大的位置 前列腺部 prostatic po

7、rtion 尿道球部 bulbar portion of urethra 舟状窝 navicular fossa 两个弯曲 耻骨下弯 subpubic curvature 耻骨前弯 prepubic curvature,. The male urethra 男性尿道:,18,19,Location in the lesser pelvic. Between the urinary bladder and the urogenital diaphragm; in front of the rectum and posterior to the pubic symphysis Features-

8、Chestnut-shaped apex, base, anterior surface, posterior surface (a prostatic sulcus) the urethra passed it Structure: 5 lobes,. The prostate 前列腺,20,21,22,23,24,. The seminal vesicles 精囊腺: oval sacculated organs posterior to the fundus of urinary bladder open to the ejaculatory duct . The bulbourethr

9、al gland 尿道球腺 in the urogenital diaphragm open to the bulbar portion of urethra,25,26,External genital organs 外生殖器,Scrotum 阴囊 Penis 阴茎,27,.The Scrotum 阴囊: 层次：皮肤 skin, 肉膜 dartos (septum) 内容: 睾丸 testis, 附睾 epididymis, 精索 spermatic cord,28,. Penis 阴茎,外形分为三部: 头 head (glans) 体 body 根 root 构造和层次: - 三条海绵体 cavernous : 两条阴茎海绵体 cavernous bodys of penis 一条尿道海绵体 cavernous body of urethra - 白膜 albuginea - 阴茎深筋膜 deep fascia of penis - 浅筋膜 super