The fate of sperm after leaving the testis

5 important questions on The fate of sperm after leaving the testis

The secondary sex glands in the male?

Prostate, seminal vesicle, ampulla, bulbourethra gland

For what is inhibin a marker for...?

inhibin, which acts entirely at the level of the pituitary to reduce sensitivity to GnRH. Inhibin is produced by the Sertoli cells, and is a marker for the successful completion of spermiogenesis, declining when sperm production is defective.

How does testosterone impact the prostate?

- The prostate --> no androgens --> reduction in lumen and expansion of connective tissue -> less fluids for the semen. 
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What does the cervix and utherus when the sperm enters

The sperm enters in the cervix --> uterus opening --> fertilisation happens in the oviduct. In the ampulla the oocyte and sperm will meet. 

  • in the ipsi-isthmus is where the oocyte and sperm comes together. 

Estrogeen (follicular phase) in the female stimulates.......? And what does progesterone (luteal phase)?

estrogeen stimulates:
  • Ciliated epithelia
  • sperm penetration and transport
  • contractility of the oviduct
  • epithelium secretory
  • relaxed and opened cervix


Progesterone (luteal phase) inhibits all this -> Consequently sperm and (un)fertilized oocyte will go to the uterus. Tight closed cervix and thick mucus. Sperm is not sterile so the female does not want this in the uterus when not in ovulation.

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