What is the release of a secondary oocyte by an ovary?
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Solution
Ovulation:
The process of an egg being released from the ovary is called ovulation.
The egg is released and travels down the fallopian tube, where it remains for 12 to 24 hours before being fertilised.
In this process, the Graafian follicle ruptures to release the secondary oocyte (ovum) from the ovary.
Luteinizing hormone surge induces rupture of the Graafian follicle and releases a secondary oocyte, which is transported to the ampullary region of the fallopian tube.
The second meiotic division completes once the sperm enters the secondary oocyte leading to the formation of an ovum.
If fertilisation does not take place, the secondary oocyte disintegrates and meiosis II is not completed.
Ovulation normally takes place about 14 days before to the beginning of the subsequent menstrual period in a typical 28-day menstrual cycle.
