Female reproductive system

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Female reproductive system

  1. 1. Notes: Female Reproductive System(pg 8)
  2. 2. Notes: Female Reproductive System(pg 8)• Functions: Produce eggs, transport eggs tolocation where they can be fertilized bysperm, nourish the developing offspringduring pregnancy, give birth, produce femalehormones
  3. 3. Ovaries• Produce eggs (oocytes)
  4. 4. Ovaries• Produce eggs (oocytes)• Almond-shaped. One on each side of uterus
  5. 5. Ovaries• Produce eggs (oocytes)• Almond-shaped. One on each side of uterus• Females are born with all the eggs they willever have (around 700,000).
  6. 6. Ovaries• Produce eggs (oocytes)• Almond-shaped. One on each side of uterus• Females are born with all the eggs they willever have (around 700,000).• Before birth, oocytes begin first meioticdivision then stay suspended in this state untilpuberty
  7. 7. Ovaries• Produce eggs (oocytes)• Almond-shaped. One on each side of uterus• Females are born with all the eggs they willever have (around 700,000).• Before birth, oocytes begin first meioticdivision then stay suspended in this state untilpuberty• Follicle stimulating hormone causes severaloocytes to start to grow each month. Usuallyonly one will become mature
  8. 8. Ovaries• Produce eggs (oocytes)• Almond-shaped. One on each side of uterus• Females are born with all the eggs they will everhave (around 700,000).• Before birth, oocytes begin first meiotic divisionthen stay suspended in this state until puberty• Follicle stimulating hormone causes severaloocytes to start to grow each month. Usually onlyone will become mature• Luteinizing hormone causes mature oocyte torupture the ovary wall and be released(ovulation)
  9. 9. Uterine (fallopian) tubes• Extend from ovaries to uterus. About 4 cm long
  10. 10. Uterine (fallopian) tubes• Extend from ovaries to uterus. About 4 cm long• Not directly connected to ovaries. Havefingerlike extensions called fimbrae that pullthe oocyte into the tube
  11. 11. Uterine (fallopian) tubes• Extend from ovaries to uterus. About 4 cm long• Not directly connected to ovaries. Havefingerlike extensions called fimbrae that pullthe oocyte into the tube• Lined with cilia that move the oocyte along.Takes 7 days to reach uterus
  12. 12. Uterine (fallopian) tubes• Extend from ovaries to uterus. About 4 cm long• Not directly connected to ovaries. Havefingerlike extensions called fimbrae that pullthe oocyte into the tube• Lined with cilia that move the oocyte along.Takes 7 days to reach uterus• Oocyte is only fertile for 48 hours, sofertilization always takes place in the uterinetube
  13. 13. Output (pg 9)• Label diagram of female reproductive system
  14. 14. Uterus (pg 8)• Muscular organ about the size and shape of apear
  15. 15. Uterus (pg 8)• Muscular organ about the size and shape of apear• Regions: Fundus, body, cervix
  16. 16. Uterus (pg 8)• Muscular organ about the size and shape of apear• Regions: Fundus, body, cervix• Receives the fertilized egg and provides anappropriate environment for the developingoffspring
  17. 17. Uterus (pg 8)• Muscular organ about the size and shape of apear• Regions: Fundus, body, cervix• Receives the fertilized egg and provides anappropriate environment for the developingoffspring• The fertilized egg burrows into theendometrium and implants
  18. 18. Output (pg 9)• Label uterus diagram
  19. 19. Vagina (pg 8)• Fibromuscular tube about 10 cm long
  20. 20. Vagina (pg 8)• Fibromuscular tube about 10 cm long• Functions: provides a passageway formenstrual flow to reach the outside, receivesthe penis and semen duringintercourse, serves as birth canal
  21. 21. External Genitalia• Collectively called the vulva
  22. 22. External Genitalia• Collectively called the vulva• Mons pubis: pad of fat that covers thesymphysis pubis
  23. 23. External Genitalia• Collectively called the vulva• Mons pubis: pad of fat that covers thesmphysis pubis• Labia majora: two large, fat-filled folds of skin
  24. 24. External Genitalia• Collectively called the vulva• Mons pubis: pad of fat that covers thesmphysis pubis• Labia majora: two large, fat-filled folds of skin• Labia minora: smaller, delicate folds of skininside the labia majora
  25. 25. External Genitalia• Collectively called the vulva• Mons pubis: pad of fat that covers thesymphysis pubis• Labia majora: two large, fat-filled folds of skin• Labia minora: smaller, delicate folds of skininside the labia majora• Clitoris: Mass of erectile tissue. Homologousto male penis. Many nerve endings. Swellswith blood when aroused. Covered by a hood(prepuce)
  26. 26. External Genitalia• Collectively called the vulva• Mons pubis: pad of fat that covers thesymphysis pubis• Labia majora: two large, fat-filled folds of skin• Labia minora: smaller, delicate folds of skininside the labia majora• Clitoris: Mass of erectile tissue. Homologousto male penis. Many nerve endings. Swellswith blood when aroused. Covered by a hood(prepuce)• Opening of urethra is just behind the clitoris
  27. 27. External Genitalia• Collectively called the vulva• Mons pubis: pad of fat that covers the symphysispubis• Labia majora: two large, fat-filled folds of skin• Labia minora: smaller, delicate folds of skin insidethe labia majora• Clitoris: Mass of erectile tissue. Homologous tomale penis. Many nerve endings. Swells withblood when aroused. Covered by a hood(prepuce)• Opening of urethra is just behind the clitoris• 2 pairs of glands secrete mucus
  28. 28. Output (pg 9)• Label diagram of external genitalia

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