Genital ducts-ductus deferens输精管 Muscular tube that transports sperm form epididymis to ejaculatory duct,about 50cm in length.four divisions 1 Testicular part睾丸部-from tail of epididymis to sup.extremity of testis 2 Spermatic part精索部-from sup. extremity of testis to the sup.inguinal ring,-where-vasectomy 3 Inguinal part腹股沟部-from sup.to deep inguinal rings 4-Pelvic part盆部-crosses the ureter to reach the base of bladder,terminal part dilates,-ampulla ductus deferentis Vasectomy 输精管结扎术
◼ Muscular tube that transports sperm form epididymis to ejaculatory duct, about 50cm in length. four divisions Genital ducts- ductus deferens 输精管 1Testicular part 睾丸部 - from tail of epididymis to sup. extremity of testis 2 Spermatic part 精索部 - from sup. extremity of testis to the sup. inguinal ring,- where – vasectomy 3 Inguinal part 腹股沟部- from sup. to deep inguinal rings 4 - Pelvic part 盆部 - crosses the ureter to reach the base of bladder, terminal part dilates, -ampulla ductus deferentis 2 1 3 4 Vasectomy 输精管结扎术
Important concept-Spermatic cord精索 Position Extends from sup.extremity of testis to deep inguinal ring. Contents:Ductus deferens;Testicular artery;Pampiniform plexus; Nerves lymphatic vessels;3 layers of tunic enwrap the spermatic cord. there are internal spermatic fascia;cremaster;Ext.spermatic fascia Spermatic cord Ext.spermati c fascia Ductus deferens Genitofemoral n. Pampiniform plexus蔓状静脉丛 Testibular a. Epididymis Cremaster - Pariatal layer testis Perididymis Vesceral layer Scrotum.厂 Skin 1. 睾丸结核 wall LDartos coat 2. 鞘膜积液 3. 男性绝育 4. 睾丸静脉曲张 The covering of testis and spermatic cord
Important concept-Spermatic cord 精索 ◆ Position Extends from sup. extremity of testis to deep inguinal ring. ◆ Contents: Ductus deferens; Testicular artery; Pampiniform plexus; ◆ Nerves & lymphatic vessels; 3 layers of tunic enwrap the spermatic cord. there are internal spermatic fascia; cremaster; Ext. spermatic fascia Spermatic cord Ductus deferens Genitofemoral n. Testibular a. Ext.spermati c fascia Cremaster Skin Pariatal layer Vesceral layer Epididymis Pampiniform plexus 蔓状静脉丛 Perididymis Scrotum wall Dartos coat penis testis The covering of testis and spermatic cord 1. 睾丸结核 2. 鞘膜积液 3. 男性绝育 4. 睾丸静脉曲张
Genital ducts-ejaculatory duct射精管 由输精管末端与精囊腺输出管汇合而成。 Ejaculatory duct Ejaculatory duct Posterior surface of bladder Lat.view of bladder and prostate
由输精管末端与精囊腺输出管汇合而成。 Ejaculatory duct Genital ducts- ejaculatory duct 射精管 Posterior surface of bladder Lat.view of bladder and prostate Ejaculatory duct
Accessory glands附属腺体 1、Seminal vesicle 精囊腺 输尿管- 2、Prostate 膀胱- 前列腺 精囊 前列腺 3 Bulbourethral gland 尿道球腺 阴茎 输精管 尿道球腺 附睾 睾丸
Accessory glands 附属腺体 1、Seminal vesicle 精囊腺 2、Prostate 前列腺 3、Bulbourethral gland 尿道球腺
Accessory glands-seminal vesicle精囊腺 Paired sacculated,coiled Ureter Urinary glands bladder Ductus deferens Secrete part of seminal fluid Located on post.surface of Ampulla of ductus deferens bladder,lateral to ampulla Beginning of ejaculatory duct ductus deferens Prostate Seminal vesicle ◆Ejaculatory duct射精管is Ischiopubic ramus formed by union of distal Deep transverse perineal m.and fascia portion ductus deference and 利 Bulbourethral glands excretory duct of seminal Prostate and seminal vesicles(post.view) vesicle
◆ Paired sacculated, coiled glands ◆ Secrete part of seminal fluid ◆ Located on post. surface of bladder, lateral to ampulla ductus deferens ◆ Ejaculatory duct 射精管 is formed by union of distal portion ductus deference and excretory duct of seminal vesicle Accessory glands-seminal vesicle 精囊腺