MICROSCOPIC STRUCTURE OF THE MALE REPRODUCTIVE SYSTEM Testis, excretory genital ducts, accessory genital glands, and penis Spermato- and spermiogenesis.

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Presentation transcript:

MICROSCOPIC STRUCTURE OF THE MALE REPRODUCTIVE SYSTEM Testis, excretory genital ducts, accessory genital glands, and penis Spermato- and spermiogenesis Composition of the sperm (ejaculate)

Testis Greek - orchis tunica albuginea mediastinum testis septula testis lobuli testis 200 – seminiferous tubules + interstitial tissue with LEYDIG´s cells scrotum

Seminiferous tubule: membrana propria, basal lamina and germinal epithelium

adluminal compartment basal

Spermatogenesis spematocytogenesis meiosis spermiogenesis

Spermiogenesis

Tubuli recti Rete testis both are lined with simple flat to columnar epithelium

Epididymis Epididymis 7.5 cm in length, elongated shape (head, body and tail) ductuli efferentes testis + ductus epididymidis

Ductuli efferentes : epithelium, basement membrane and thin lamina propria Ductus epididymidis : psudostratied epithelim, basement membrane and lamina propria with smooth muscle cells

Funiculus spermaticus

Ductus deferens 40 cm long 2–3 mm thick tubular organ

Ductus deferens mucous coat muscular coat adventitia

Accessory genital glands

Accessory genital glands: seminal vesicles

Accessory genital glands: prostata

Penis

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