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Fig 27.10 ovaries The ovaries & uterus are held in place by ligaments in the pelvic cavity Female reproductive system.

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Presentation on theme: "Fig 27.10 ovaries The ovaries & uterus are held in place by ligaments in the pelvic cavity Female reproductive system."— Presentation transcript:

1 Fig ovaries The ovaries & uterus are held in place by ligaments in the pelvic cavity Female reproductive system

2 Ovaries –ligaments support and stabilize Uterine tubes Uterus –enclosed within broad ligament Vagina External genitalia The Female Reproductive System

3 Homologies

4 Development

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8 Held in position by ovarian ligament and suspensory ligament Ovarian artery and vein enter at ovarian hilum Covered by tunica albuginea The Ovaries

9 Ovary

10 Ovary Histology Nice images also at Blue histology You tube shotgun histology

11 Ovarian cycle Occurs monthly in ovarian follicles Primordial follicles develop into primary follicles Theca granulose cells surround oocyte –Release estrogens, estradiol Follicular fluid encourages growth of secondary follicles One mature Graffian follicle develops Primary oocyte undergoes meiosis producing secondary oocyte Ovulation –Secondary oocyte surrounded by corona radiata released Menstural Cycle

12 Fig 27.11

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15 2-primary follicle 5-oocyte Mature follicle

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17 Fimbriae Infundibulum Ampulla Isthmus Uterine (Fallopian) Tubes

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19 Mechanical protection and nutritional support to developing embryo Bends anteriorly (anteflexion) Stabilized by broad, uterosacral, round, and lateral ligaments Uterus

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24 Compare cycles

25 Menstrual Cycle

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29 If fertilization does occur

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31 FYI

32 Sperm count range from 20 – 100 million sperm per cubic mL

33 Chorion - villi Amnion Chorionic gonadotropin HCG

34 FYI

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36 772 in text book

37 FYI

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39 Epidural shot

40 Amniocentesis and CVS Health Videos


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