Male Reproductive System
Male Reproductive System
Constitution of male reproductive system Genital gland -testis Genital ducts epididymis/ductus deferens /urinary duct Accessory sex glands prostate gland Seminal vesicle Bulbo-urethral glands Penis
Genital gland -testis Genital ducts epididymis / ductus deferens / urinary duct Accessory sex glands prostate gland Seminal vesicle Bulbo-urethral glands Penis Constitution of male reproductive system
Bladder AmBulla ejaculatory Seminal vesicle (of vas duct Vas deferens) Prostate deferens Bulbourethral gland Epididymis Urethra Efferent Penis ductules Testis
Testis * producing spermatozoa Producing hormones
Testis * producing spermatozoa * Producing hormones
Testis H&E epididymis tunica albuginea *tunica albuginea mediastinum with rete testis mediastinum testis testicular lobule seminiferous tubules obuli testis tubulus rectus rete testis
*tunica albuginea * mediastinum testis * testicular lobule * seminiferous tubules * tubulus rectus * rete testis
Testis H&E cavity of the tunica vaginalis tunica albuginea seminiferous epithelium seminiferous tubules
Seminiferous tubules: the site of germatozoon production total of 800-1600 tubules about 600 M 66%of the testicular volume Interstitial area: *testicular interstitial cells which produce testosterone *connective tissue capillary
• Seminiferous tubules: * the site of germatozoon production * total of 800-1600 tubules about 600 M * 66% of the testicular volume • Interstitial area: *testicular interstitial cells which produce testosterone *connective tissue ; capillary
seminiferous tubule Testis H&E Spermatogenic epithelium *Spermatogenic cell: spermatogonia *sustenacular cell (Sertoli cell): Seroli cell spermatids (maturation phase】 ◆basement membrane ◆nyoid cell smooth muscle
Spermatogenic epithelium *Spermatogenic cell: *sustenacular cell (Sertoli cell): basement membrane myoid cell seminiferous tubule
Stages of spermatogenic cell development Spermatogonium Base of tubule Spermatocytes Spermatogenesis Spermatids Spermatozoon Lumen of tubule
Stages of Stages of spermatogenic spermatogenic cell development cell development Spermatogonium Spermatocytes Spermatids Spermatozoon Spermatogenesis Lumen of tubule Base of tubule
Spermatogonium *at the base of epithelium Testis H&E *two types Leydig -type A cells smooth muscle type Ad:maintains the germ cell pool type ap Sertoli cells developed spermatogonia -type B spermatids primary spermatocytes primary spermatocytes
Spermatogonium *at the base of epithelium *two types -type A type Ad: maintains the germ cell pool type Ap -type B primary spermatocytes developed