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Male Reproductive System

Male Reproductive System

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Male Reproductive System

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  1. Male Reproductive System VIBS 443/602

  2. Fetal testis #19760

  3. Human testis capsule. Testis capsule Slide 165

  4. Human testis capsule 1. Testis capsule UT 166

  5. Nerve in human testis 19670

  6. 19680 • Monkey seminiferous epithelium • Spermatogonium • Myoid cell • Sertoli cell • Fibroblast

  7. Spermatogenesis SPERMATOGONIA SPERMATOCYTES

  8. Golgi phase Cap phase Elongation phase Maturation phase

  9. Maturation phase

  10. Human sperm in smear • Spermatozoon horse

  11. 19680 Mitotic figure of spermatogonium

  12. UT165 larger secondary spermatocytes and smaller Golgi phase spermatids human testis Meiotic activity

  13. UT 165 human testis spherical, elongating (condensing), and elongated (maturation phase) spermatids VI III IV V

  14. High voltage EM of horse seminiferous tubules EM 19a • Sertoli cell nucleus • Mitochondrion • Spermatogonium • Spermatids • Primary spermatocyte

  15. Golgi phase spermatids

  16. EM 19c; sertoli cell; 13 300x • Golgi • Heterophagic vacuole • Lipid droplet • Microtubule • Nuclear pores (cross-section) • Sertoli cell • Synaptoneural complex

  17. Interstitium (monkey) • Leydig cell • Endothelial cell of lymph vessel • Blood vessel • Fibroblast 291

  18. Aged rat testis • EM 8h: macrophage in testis; 30 000x • Enlarged basal lamina • Heterophagic vacuole • Leydig cell cytoplasm • Nucleolus • Myoid cell

  19. Horse Leydig cells: EM 20 • Smooth endoplasmic reticulum • Gap junction • Nucleus of leydig cell • Tubular cristae of a mitochondion

  20. 19709 19709 human testis junction of seminiferous tubule and rete testis for sperm to exit (toluidine blue)

  21. 199 Epididymis – head; efferent ductules

  22. 19678 True cilliated cells (efferent duct, top) and Stereocilliated cells (epididymis, with sperm in lumen) of psudostratified columnar epithelium (toluidine blue) slide 19678

  23. EM 21: ductus deferens; 11 000x • Golgi • Stereocilia • Mitochondria • Swirl of SER

  24. 196 Skeletal muscle in spermatic cord UT 196

  25. 196 UT196 smooth muscle layers of vas deferens of spermatic cord

  26. ut 196

  27. 196 Spermatic cord

  28. 19716 Smooth muscle and psudostratified columnar epithelium in tail of epididymis slide 19716

  29. 19678 Smooth muscle and psudostratified columnar epithelium in ductus deferens (toluidine blue) slide 19678

  30. 168 Seminal vesicle, monkey

  31. 271 Prostate

  32. 169 Prostate

  33. 169 Prostate

  34. EM 23; prostate; 31 000x • Secretory granule • RER • Nucleus • Tight junction