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Week 6 Handout Answers

Week 6 Handout Answers - Week 6 Handout TA Manely Leilah...

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Week 6 Handout TA: Manely Leilah Yafeh 1. Describe the process of oogenesis. At what stage is Meiosis I completed? Meiosis II? 2. Name the phases of the ovarian and uterine cycles and provide a detailed description of the events they encompass. How does the estrogen positive feedback loop cause the LH surge? List the effects of the LH surge. Refer to the Study Guide 3. Summarize the four main hormonal stages of the menstrual cycle using the hypothalamic-anterior pituitary-ovarian axes. Early Follicular Phase : Low Estrogen stimulates GnRH, FSH, LH secretion Mid-Follicular Phase : Intermediately high estrogen inhibits GnRH, FSH, LH secretion
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Late Follicular Phase and Ovulation : Extremely high estrogen levels stimulate GnRH, FSH, LH secretion Early to Mid-Luteal Phase : Estrogen and Progesterone inhibit GnRH, FSH, LH secretion Late Luteal Phase : Corpus Luteum Dies, no estrogen or progesterone stimulates GnRH, FSH, LH 4. Differentiate between primary, secondary, tertiary, and Graafian follicles. At which phases are they found?
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