Biology Reproduction MDCAT 2014
PMDC Verified Question 76 of 81
On puberty, the development of primary follicles is stimulated by:
A
ICSH
B
LH
C
FSH
D
Estrogen
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option C: FSH
Concept:

The onset of the ovarian cycle at puberty is triggered by gonadotropins released from the anterior pituitary.

Solution:

  • At puberty, the anterior pituitary begins to secrete Follicle Stimulating Hormone (FSH).


  • As the name implies, FSH acts directly on the ovaries to stimulate the growth and development of several primary follicles each month.


  • Usually, only one of these follicles will reach full maturity.


Why other options are incorrect:

LH (and its male equivalent ICSH) is primarily responsible for triggering ovulation and forming the corpus luteum later in the cycle. Estrogen is produced by the developing follicles in response to FSH.

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