The document summarizes the microscopic structure of the male reproductive system. It describes the main components including the testis where sperm is produced, the excretory ducts that transport sperm, and the accessory glands like the seminal vesicles and prostate that produce fluids. It provides details on sperm development and structure, from formation in the seminiferous tubules of the testis to the mature sperm with its distinct head, neck, and tail regions.

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

9. adluminal compartment basal

12. Spermatogene sis spematocytogene sis mei osis spermiogen esis D evelopment from the spermatogonium to fully differentiated spermatozoon lasts 64 –74 days in avarrage

13. S permiogene sis

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

17. It has an own CT capsule

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

22. Ductus deferens mucous coat muscular coat adventitia

23. Ductus deferens 40 cm long 2–3 mm thick tubular organ Same epithelium as in the respiratory region in the nose: ” SUGAR IN NOSE”TEST!!!!

26. Accessory genital glands

27. Accessory genital glands : seminal vesicles

29. Accessory genital glands : prostata

32. Penis

33. Penis