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Physiology

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Endocrinology

Question
7 out of 50
 

Correct sequence of sperm movement is (AIPG 2008)



A Rete testis – straight tubules –different tubules

B Straight tubules – rete testis – efferent tubules

C Straight tubules – efferent tubules – epididymis

D Straight tubule – rete tests epididymis

Q.

Ans. B Straight tubules–rete testis–efferent tubules
  1. The sperms are formed in the seminiferous tubules (spermatogenesis) and pass on to the straight tubules (tubuli recti).
  2. They then enter a network of tubules (rete testis),where they are exposed to high concentration of estrogen.
  3. The sperms get concentrated in the rete testis, and if they don ’infertility can result (due to diluted semen).
  4. Now, the sperms reach efferent ductules. The efferent ductules are lined by ciliated columnar epithelium, the cilia help in the mass movement of sperms.
  5. And finally, the sperms reach the epididymis. Epididymis is lined by pseudo-stratified columnar epithelium with stereo-cilia.
  6. Stereo-cilia are also seen in the internal ear hair cells and are believed to absorb the fluids (Cilia is a misnomer).
  7. The sperms will be stored in the epididymis till their ejaculation.

Endocrinology Flashcard List

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