Ovulation
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Reproductive
Summary
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Key Points
- Ovulation
- Release of eggs (oocytes)
- From ovary into the Fallopian tube
- Triggered by luteal hormone (LH) Surge
- Dramatic increase in luteinizing hormone (LH)
- Positive Feedback Loop between Estrogen and LH
- Normally, estrogen inhibits LH secretion (negative feedback homeostatic regulation)
- However, once estrogen levels rise past a certain threshold, it paradoxically starts to increase LH secretion, creating the surge
- Release of eggs (oocytes)