Male Reproductive System- Lab

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Author:
reginaphalange9
ID:
220720
Filename:
Male Reproductive System- Lab
Updated:
2013-05-22 19:03:15
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Anatomy Physiology lab
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Description:
male reproductive lab
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  1. capsule that covers testes
    Tunica albuginea
  2. "Sack" that holds testes
    scrotum
  3. two muscles in the scrotum
    What kind of muscle?
    Dartos muscle - smooth

    Cremaster muscle - skeletal
  4. where does spermatogenesis occur?
    seminiferous tubules
  5. primary version of sperm that gives rise to all the others. 
    Where can it be found?
    Haploid or diploid?
    spermatogonia

    outermost layer in seminiferous tubules

    diploid
  6. Spermatogonia divides into __________ via what process?
    haploid or diploid?
    • primary spermatocyte
    • via mitosis
    • diploid (2N)
  7. Primary spermatocytes undergo which process to become _______?  
    Haploid or diploid?
    • Meiosis 1
    • Secondary Spermatocytes
    • Haploid
  8. Secondary Spermatocytes undergo which process to become _______?
    Haploid or diploid?

    How many are produced from one original spermatogonia?
    • meiosis 2
    • spermatids

    haploid

    4
  9. Large, pale cells located between lobes
    Function?
    • Nurse cells
    • nourish growing sperm
  10. what prevents the immune system from attacking developing sperm?
    Blood testis barrier
  11. immature/developing sperm
    spermatids
  12. 3 regions of sperm cell
    • head
    • midpiece
    • tail
  13. helmet on head of sperm containing hydrolytic enzymes
    acrosome
  14. the process of making sperm
    spermatogenesis
  15. cells between seminiferous tubules
    function
    • interstitial cells
    • produce testosterone
  16. Where is testosterone produced?
    Interstitial cells (between seminiferous tubules)
  17. Where is sperm stored?
    Epididymis
  18. what separates the seminiferous tubules from the epididymis?
    rete testis
  19. How can you distinguish the epididymis from the testis on a slide?
    no layers of cells
  20. 3 regions of epididymis
    • Head
    • Body
    • Tail
  21. Sperm maturation
    Where does it take place?
    • spermiogenesis
    • seminiferous tubules
  22. what structure contains the vas deferens, blood vessels, nerves and cremaster muscle?
    Spermatic cord
  23. what the sperm travels through
    • vas deferens
    • ductus deferens
  24. what occurs during spermiogenesis?
    removal of cytoplasm and organelles
  25. wide part of vas deferens
    ampulla
  26. what produces alkaline seminal fluid and contains fructose?
    seminal vesicle
  27. _____________ is formed by the union of the seminal vesicle and the vas deferen
    • ejaculatory duct
    • -where seminal fluid is mixed with sperm.
  28. what does the prostate gland produce?
    buffering fluid
  29. adds lubricant to seminal fluid and buffers against acidity of spongy urethra
    Cowper's gland
  30. 3 sections of male urethra
    • Prostatic
    • Membranous¬†
    • Spongy
  31. Head of penis
    Glans penis
  32. foreskin
    prepuce
  33. surgical removal of prepuce
    circumcision
  34. cylinder of erectile tissue containing the spongy urethra
    • corpus spongiosum
    • (alien's mouth)
  35. cylinders of erectile tissue that fills with blood during erection
    corpora cavernosa
  36. Vasectomy
    • Vas deferens are cut and tied off near scrotum
    • Sperm does not travel to spermatic cords, is absorbed back into body
  37. process of sperm becoming motile
    occurs where?
    allows for ________
    • capacitation
    • in female vagina
    • ability to fertilize

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