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Human reproduction2012


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Human reproduction2012

  1. 1. 1. Testis: where the sperm cells and male sex hormones are formed.2. Urethra: Common passage for semen and urine3. Penis: to convey urine and seminal fluid through the urethra.4. Urinary Bladder: Stores Urine5. Seminal Vesicles: Secretions help to nourish and transport sperm6. Prostate Gland: Secretions help to nourish and transport sperm7. Cowper’s gland: Secretions help to nourish and transport sperm8. Vas Deferens: tubes that carry sperms from testis to urethra.9. Scrotum: holds the testis – temperature lower than the body temp.
  2. 2. 11. Ovary: produces female gametes and hormones12. Oviduct/fallopian tube: fertilization normally occurs here13. Uterus: reproductive organ that noursishes the fetus until birth14. Urinary Bladder: Stores urine15. Vagina: the birth canal16. Cervix: The lower portion of the uterus that opens into the vagina
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  5. 5. Changes in the ovary
  6. 6. Menstrual CycleThis cycle of changes results in the release of an egg fromthe ovary, the preparation of the uterine lining for possibleimplantation and pregnancy, and the return to the initialstage if no implantation occurs.The cycle is controlled by hormones of the ovary and thepituitary gland by a feedback mechanism.(one influences theother)
  7. 7. Hormones influencing the menstrual cycle