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Human Anatomy and Physiology

Human Anatomy and Physiology. Reproduction in females. Reproduction. Production of egg and nutrition of embryo Hormones: estrogen (estradiol), progesterone, gonadotropic hormones 2M eggs at birth, 3 - 400,000 at puberty and 400 released during lifetime Menopause - follicles degenerate.

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Human Anatomy and Physiology

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  1. Human Anatomy and Physiology Reproduction in females

  2. Reproduction • Production of egg and nutrition of embryo • Hormones: estrogen (estradiol), progesterone, gonadotropic hormones • 2M eggs at birth, 3 - 400,000 at puberty and 400 released during lifetime • Menopause - follicles degenerate

  3. Egg production (oogenesis)

  4. Ovarian cycle • Primordial follicle (1) • Primary follicle (2) • Secondary follicle (3-5) • Vesicular follicle (6) • Secondary oocyterelease (7) • Corpus luteum (8) • Corpus albicans (9)

  5. Ovarian cycle • Two Phases • Follicular (variable) • Luteal (fixed - always 14 days duration)

  6. Ovarian cycle control

  7. Gonadotropic hormones • Fluctuations in levels throughout the ovarian cycle Time (days)

  8. Ovarian hormones • Fluctuations in levels throughout the ovarian cycle Time (days)

  9. Uterine cycle • Fluctuations in thickness of uterine wall

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