Male Reproductive System

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Across

  1. vesicles containing indigestible materials (13)
  2. undifferentiated male germ cell (14)
  3. fibrous envelope of the corpora cavernosa penis (16)
  4. fluid that contains spermatozoa (5)
  5. vascular layer of the testis (17)
  6. non-motile apical modifications of the cell (11)
  7. motile sperm cell (12)
  8. compound tubuloalveolar exocrine gland with pseudostratified epithelium (8)
  9. anastomosing network of delicate tubules with ciliated cuboidal epithelium with microvilli (11)
  10. results from division of secondary spermatocytes (9)
  11. contains digestive enzymes to break down the zona pellucida (8)
  12. compound tubulo-alveolar glands (19)
  13. polyhedral epithelioid cell adjacent to the seminiferous tubules (11)
  14. bulbous structure (11)
  15. connect seminiferous tubule to rete testis (14)
  16. innermost layer or wall of the seminiferous tubule (19)
  17. produce sperm and androgens (6)
  18. haploid cell after meiosis I (22)
  19. single, narrow, tightly-coiled tube (10)
  20. small hyaline masses of unknown significance (20)
  21. tube with pseudostratified columnar epithelium lined by stereocilia (15)
  22. gland with mucosa, lining of interspersed columnar cells & lamina propria; a thick muscular wall & irregular lumen (15)
  23. cytoplasmic inclusions of Leydig cells (17)
  24. step in the maturation of spermatozoa required to render them competent to fertilize an oocyte (12)
  25. location of meiosis and Sertoli cells (19)

Down

  1. isolated from blood and lymph (21)
  2. form the blood-testis barrier (12)
  3. transitional becomes pseudostratified columnar and stratified columnar, then stratified squamous (7)
  4. lash-like appendage (9)
  5. diploid male reproductive cell (20)
  6. division (5)
  7. unilaminar duct composed of columnar ciliated and non-ciliated (absorptive) cells (17)
  8. final stage of spermatogenesis, with maturation of spermatids into mature, motile spermatozoa (14)
  9. convoluted and dilated vessels with an intimal cushion and valves (15)
  10. pair of sponge-like regions of erectile tissue (16)
  11. division into basal compartment and adluminal compartment (20)
  12. mass of spongy tissue surrounding the male urethra (17)
  13. joins with the ductus deferens (21)
  14. group of cells that develop in the walls of the seminiferous tubules (18)
  15. bulbourethral glands (14)
  16. produce products that mix with the sperm to protect and preserve (15)
  17. formed by the union of the vas deferens & seminal vesicle (16)
  18. tortuous enlargement of the ductus deferens at the fundus of the bladder (7)
  19. covered by a two layered pseudostratified epithelium (17)
  20. process in which spermatozoa are produced from spermatogonial stem cells by way of mitosis and meiosis (15)
  21. external male intromittent organ that additionally serves as the urinal duct (5)
  22. short, pyramid-shaped cells which contact the basal lamina (10)


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