Ovulation

Definition

Ovulation is the release of a mature egg from the ovary, typically occurring midway through the menstrual cycle. It is triggered by a surge in luteinizing hormone (LH) levels.

5 Must Know Facts For Your Next Test

1. Ovulation usually occurs around day 14 of a typical 28-day menstrual cycle.
2. The luteinizing hormone (LH) surge is responsible for triggering ovulation.
3. A mature follicle releases the egg during ovulation.
4. After ovulation, the egg travels through the fallopian tube where it can be fertilized by sperm.
5. Ovulation can be tracked using methods like basal body temperature charting and ovulation predictor kits.

Review Questions

• What triggers the release of an egg during ovulation?
• On which day of a typical menstrual cycle does ovulation usually occur?
• What happens to the egg after it is released from the ovary?

Related terms

Follicle-stimulating Hormone (FSH): A hormone involved in stimulating ovarian follicle growth before ovulation.

Luteal Phase: The phase of the menstrual cycle following ovulation when the corpus luteum forms.

Corpus Luteum: The structure formed from a follicle after releasing an egg, secreting hormones to prepare for potential pregnancy.