What is corpus luteum? Give its function.

Explanation

**Step-by-Step Solution:**

1. **Definition of Corpus Luteum:**
- The corpus luteum is a temporary endocrine structure that forms in the ovary after ovulation. It develops from the remnants of the Graafian follicle following the release of an ovum (egg).

2. **Formation Process:**
- During the menstrual cycle, around the 14th day, an ovum is released from the Graafian follicle. After ovulation, the Graafian follicle transforms into the corpus luteum.

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