Which of the following hormone stimulates the ovulation from the follicle into oviduct?
Correct answer: C. Luteinizing hormone
- A. Estrogen
- B. Progesterone
- C. Luteinizing hormone
- D. Follicle stimulating hormone
Explanation
Option A, estrogen, is the hormone that causes the development and thickening of the endometrial lining.Option B, progesterone, is the hormone, secreted by the corpus luteum, to maintain and thicken the endometrial lining, making it ready for implantation.Option C, LH, is the main trigger of ovulation, as a surge in LH causes the release of the secondary oocyte from the Graafian follicle into the oviduct. Hence, it is the correct option.Option D, FSH, is responsible for the development of follicles in the ovary.
This question appeared on the UHS MDCAT 2019 paper, which you can sit online with every answer explained.
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About Menstrual Cycle
The menstrual cycle covers the coordinated changes in the ovaries and uterus, including menstruation, follicular growth, ovulation and corpus luteum formation. It links follicle-stimulating hormone, luteinizing hormone, oestrogen and progesterone with endometrial changes, and distinguishes the ovarian cycle from the uterine cycle and the hormonal events of pregnancy.
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