Biology Reproduction NUMS 2023
PMDC Verified Question 36 of 81
The estrogen hormone secretion during the oogenesis is stimulated by:
A
Luteinizing hormone
B
Inhibin hormone
C
Follicle stimulating hormone
D
Testosterone hormone
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option C: Follicle stimulating hormone
Concept:

Ovarian steroid production is regulated directly by anterior pituitary gonadotropins.

Solution:

  • At the start of the menstrual cycle, the anterior pituitary secretes Follicle Stimulating Hormone (FSH).


  • FSH targets the dormant primary follicles in the ovary, causing their granulosa cells to proliferate.


  • As the follicle grows under FSH stimulation, these cells begin to actively secrete estrogen.


Why other options are incorrect:

LH primarily stimulates ovulation and the formation of the corpus luteum (which secretes progesterone). Inhibin suppresses FSH. Testosterone is a male androgen.

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