Reproductive system powerpoint

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Reproductive system powerpoint

  1. 1. Male Female
  2. 2. Anatomy of the Male Reproductive System
  3. 3. Scrotum <ul><li>pouch of skin that hangs at root of penis and contains the testes </li></ul><ul><li>Protective sac </li></ul><ul><li>provides temperature about 3  C below body temperature for proper sperm production </li></ul>
  4. 4. Testes <ul><li>Glands that produce sperm </li></ul><ul><li>Secrete testosterone </li></ul>
  5. 5. Epididymis <ul><li>Stores sperm temporarily </li></ul><ul><li>Takes about 20 days for sperm to mature </li></ul>
  6. 6. Vas Deferens <ul><li>Muscle contractions propel live sperm to urethra </li></ul><ul><li>Transportation system </li></ul><ul><li>cut during a vasectomy for birth control </li></ul>
  7. 7. Urethra <ul><li>conveys urine & semen to tip of penis </li></ul>
  8. 8. Seminal Vesicles <ul><li>Secretes fluid to form semen </li></ul><ul><li>produces 60% of fluid in semen </li></ul><ul><li>yellowish thick fluid </li></ul>
  9. 9. Prostate Gland <ul><li>Secretes fluid to form semen </li></ul><ul><li>33% of semen volume </li></ul><ul><li>Site for prostate cancer </li></ul>
  10. 10. Cowper’s Glands <ul><li>Secretes fluid to form semen </li></ul><ul><li>produce thick, clear mucus </li></ul><ul><li>released prior to ejaculation </li></ul>
  11. 11. Bladder <ul><li>Urine storage </li></ul>
  12. 12. Penis <ul><li>External reproductive organ </li></ul><ul><li>Erectile tissue becomes engorged with blood during an erection. </li></ul><ul><li>Blood flow is cut off trapping blood causing penis to stiffen and become elongated. </li></ul>
  13. 13. Semen <ul><li>mixture of sperm & secretions </li></ul><ul><li>transport medium, nutrients, & chemicals that protect & facilitate movement of sperm </li></ul><ul><li>2-6 ml released each ejaculation </li></ul><ul><li>50-100 million sperm in each ml </li></ul>
  14. 14. Anatomy of the Female Reproductive System
  15. 15. Ovaries <ul><li>Houses eggs(ova). </li></ul><ul><li>each month an adult woman will release one mature egg called ovulation. </li></ul><ul><li>Only 400-500 eggs of potential 700,000 are released during a lifetime. </li></ul><ul><li>Produces female sex hormones. </li></ul>
  16. 16. Fallopian Tubes <ul><li>provide site where fertilization can occur </li></ul><ul><li>little or no contact with ovary </li></ul><ul><li>Transfers egg(ovum) </li></ul><ul><li>Tubal ligation </li></ul>
  17. 17. Uterus <ul><li>Muscular pear shaped organ </li></ul><ul><li>hollow, thick-walled organ that functions to receive, retain, & nourish a fertilized egg and developing baby </li></ul><ul><li>Thickens if fertilized(zygote). </li></ul><ul><li>Breaks down and sheds if not fertilized(menstruation). </li></ul>
  18. 18. Vagina <ul><li>birth canal </li></ul><ul><li>receives penis & semen during intercourse </li></ul>
  19. 19. External Genitalia <ul><li>labia majora: two elongated, hair-covered fatty skin folds </li></ul><ul><li>labia minora: two thin hair-free folds covered with mucosa & sebaceous glands </li></ul><ul><li>Both are used for protection </li></ul>
  20. 20. Bladder <ul><li>Urine storage </li></ul>
  21. 21. Cervix <ul><li>Neck of the uterus and vagina </li></ul><ul><li>Dialation </li></ul>
  22. 22. Urethra <ul><li>Urine exits </li></ul>
  23. 23. Endometrium <ul><li>Inner lining of the uterus </li></ul><ul><li>Excessive shedding of the uterus is a disease called endometriosis </li></ul>
  24. 24. Eggs(ova) <ul><li>Mature ovum </li></ul><ul><li>Maturing ovum </li></ul>

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