The Question is from neet-zoology human-reproduction , and it was created by the author A SUBRAMANYAM

Question

Which of the following is NOT a function of the corpus luteum?

A SUBRAMANYAM · Accepted Answer

## CORE INFORMATION
✓ **Answer**: C
## CONCEPT FRAMEWORK
 **Primary Concept**: Function of the Corpus Luteum in the Menstrual Cycle
 **Related Topics**: Ovarian cycle, menstrual cycle, hormones (progesterone, estrogen), endometrium
 **Prerequisites**: Basic understanding of female reproductive system and hormonal regulation.
## SOLUTION PATHWAY
**Given Information**:
The question asks to identify a function NOT performed by the corpus luteum.
**Method & Steps**:
1. Identify the primary functions of the corpus luteum.
  Reasoning: The corpus luteum is a temporary endocrine structure formed after ovulation from the ruptured follicle. Its main role is to prepare the uterus for potential pregnancy.
2. Analyze each option in relation to the corpus luteum's functions.
  Working:
  * **Option A (Secretion of progesterone):** The corpus luteum is the primary source of progesterone during the luteal phase of the menstrual cycle. Progesterone is crucial for maintaining the endometrium and preparing it for implantation of a fertilized egg.
  * **Option B (Secretion of estrogen):** The corpus luteum also secretes estrogen, although at lower levels than progesterone.  Estrogen contributes to endometrial maintenance and other aspects of the menstrual cycle.
  * **Option C (Stimulation of follicle development):** This is incorrect. Follicle-stimulating hormone (FSH) from the anterior pituitary gland stimulates follicle development. The corpus luteum's role is *after* follicle development and ovulation.
  * **Option D (Maintenance of the endometrium):** The progesterone and estrogen secreted by the corpus luteum are essential for maintaining the thickened endometrium, creating a suitable environment for implantation.
 3. Determine the option that is NOT a function.
  Result: Option C, stimulation of follicle development, is not a function of the corpus luteum.
  Verification:  The other options are all well-established functions of the corpus luteum.
 ## OPTION ANALYSIS
A ✓: Secretion of progesterone is a key function of the corpus luteum, essential for maintaining the endometrium.
B ✓: Secretion of estrogen, though less than progesterone, is another important function of the corpus luteum.
C :x: Stimulation of follicle development is the role of FSH, not the corpus luteum.  The corpus luteum forms *after* follicle development.
D ✓: Maintenance of the endometrium is a direct result of progesterone and estrogen secretion by the corpus luteum.
 ## LEARNING AIDS
 **Common Mistakes**:
  1.Confusing the corpus luteum's function with that of other structures in the ovarian cycle (e.g., the follicle).: Focus on the timing and specific roles of each structure in the menstrual cycle.
  2.Overlooking the hormonal roles of the corpus luteum.: Remember that it's primarily a hormonal gland producing progesterone and estrogen.
 **Quick Tips**:
  1.Remember the acronym 'CL' for Corpus Luteum and associate it with its main function – maintaining the endometrium for pregnancy (Luteal phase).
  2.Visualize the menstrual cycle diagram to understand the timing and sequence of events, including the role of the corpus luteum.

A SUBRAMANYAM · Answer

Secretion of progesterone

A SUBRAMANYAM · Answer

Secretion of estrogen

A SUBRAMANYAM · Answer

The correct Option is "Stimulation of follicle development"

A SUBRAMANYAM · Answer

Maintenance of the endometrium

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