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REPRODUCTIVE SYSTEM
 

REPRODUCTIVE SYSTEM

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    REPRODUCTIVE SYSTEM REPRODUCTIVE SYSTEM Presentation Transcript

    • HUMAN REPRODUCTIVE SYSTEM Celeste Roderno - Desingaño
    • MALE REPRODUCTIVE SYSTEM
      • Testosterone
      • Hormone responsible for stimulating the development of the secondary sexual characteristics of the male which normally begin during puberty.
      • 1. growth of beard and pubic hair
      • 2. deepening of the voice
      • 3. widening of the shoulders
      • 4. narrowing of the hips
      • 1. Testes
      • Also known as testicles
      • Ovoid structures that develop in the abdominal cavity and descend to the scrotal sac at the time of birth
      • Seminiferous
      • tubules
      • Produce the sperm cells
      • Sperm cell production begins at the age of puberty
      Male Reproductive System
      • Interstitial cells
      • Secrete male sex hormone (testosterone)
      • Scrotum
      • Sac that held testes outside the abdomen
      • Provides cooler environment than in the body, which sperm require to live
      Male Reproductive System
    • Male Reproductive System
      • 2. Duct System
      • a. Epididymis
      • where sperm is stored until they are released
      • b. Vas Deferens (Ductus deferens)
      • main sperm duct
      • Pass through the inguinal canal and enters the pelvic cavity where it loops over the urinary bladder and joins the urethra.
    • Male Reproductive System
      • 4. Penis
      • Becomes erect and increase in size during sexual excitation due to blood that fills the spaces of the spongy tissue that make up the penis.
      • Erection – enables the penis to be inserted into the vagina during copulation
      • Ejaculation – The releasing of sperm cell.
    • Male Reproductive System
      • 3. Glands
      • Seminal fluid + sperm cell = semen
      • 3 Glands producing Seminal Fluid
      • 1. Seminal vesicle
      • 2. Prostate glands
      • 3. Cowper’s gland/ Bulbourethral gland
    • FEMALE REPRODUCTIVE SYSTEM
      • Estrogen
      • Hormone responsible for stimulating the development of the secondary sexual characteristics of the female which normally begin during puberty.
      • 1. growth of pubic hair
      • 2. development of breasts
      • 3. widening of hips
      • Progesterone
      • Hormone responsible for maintaining the endometrium in case the egg inside is fertilized.
    • Female Reproductive System
      • 1. Ovaries
      • Found in the pelvic cavity and are held in place by the ligaments.
      • Produce egg cells or ova
      • Secrete female hormone, estrogen
      • Female produces one mature egg per menstrual cycle.
      • Ovulation – mature egg is released from an ovary
    • Female Reproductive System
      • 2. Fallopian Tube
      • or Oviduct
      • Duct where egg travels from the ovary to the uterus
      • 3. Uterus
      • Has a very thick muscular wall richly supplied with blood vessels.
      • Houses the implanted fertilized egg where it develops and grows
      • Endomethrium – mucous lining of the uterus
      • Cervix – lower portion of the uterus which connects it to the vagina. Also a common site of cancer.
    • Female Reproductive System
      • 4. Vagina
      • Opens into the external genitalia called vulva
      • The opening is partially closed by a thin membrane – hymen
      • 5. Vulva
      • Composed of labia majora and labia minora
      • Encloses the vaginal opening.
      • Labia minora – encloses a highly sensitive tissue, the clitoris