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Physiology

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Endocrinology

Question
27 out of 50
 

Sertoli cells have receptors for:



A Inhibin
B Luteinising hormone

C Follicle stimulating hormone
D Melatonin

Ans. C Follicle stimulating hormone

Sertoli cells have receptors for FSH Qstimulated by FSHQ and secretes the inhibin.

Sertoli cells

  1. Large, complex glycogen - containing cells Q
  2. They provide nutrition to the developing sperm cells. Q
  3. They phagocytoze the injured or dead sperm cells Q
  4. They are the basis: of blood testis barrier Q
  5. They secrete androgen-binding protein (ABP), inhibin and MIS. Q
  6. They do not synthesize androgens, but they contain aromatase, the enzyme responsible for conversion of androgens to, estrogens and they can produce estrogens. Q

Note:

  1. ABP probably functions-to maintain a high, stable supply of androgen in tubular fluid.
  2. Inhibin inhibits FSH secretion
  3. MIS causes regression of the mullerian ducts is in males during fetal life.

Leydig cells (Interstitial Cells)

· They are nest of cells present between the seminiferous tubules in testes. They secrete testosterone into bloodstream. Q

Note:

  1. Spermatozoa are stored in epididymis.
  2. Spermatozoa maturation and motility acquired during their passage through epididymis.
  3. Further maturation and capacitance occur within female genital tract.

Endocrinology Flashcard List

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