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Reproductive System, Miranda Mancilla, Per. 2 (Disorders of the…

- - - - Estradiol
      - Estriol
      - Estrone
- - - - Mitochondria multiply and cluster around the proximal portion of the flagellum.
      - Excess cytoplasm sloughs off.
      - Microtubules form the flagellum.
      - An immature sperm that has just been released from a sustenocyte.
      - The acrosome forms at the anterior end of the nucleus and the centrioles gather at the opposite end.
      - Structure of a fully mature sperm.
      - The golgi apparatus packages the acrosomal enzymes.
- - - - Form the initial part of the female duct system. They receive the ovulated oocyte and are the site where fertilization generally occurs.
    - - Lies in the pelvic cavity, anterior to the rectum and posterosuperior to the bladder. A hollow, thick-walled, muscular organ that receives, retains, and nourishes a fertilized ovum.
    - - The female gonads, produce female gametes (ova) and the sex hormones (estrogen and progesterone).
    - - A narrow neck, or outlet, which projects into the vagina inferiorly.
    - - A thin-walled tube that lies between the bladder and the rectum.
    - - A small, protruding structure composed largely of erectile tissue.
  - - - Male gonads that produce gametes (sperm) and secrete hormones (testosterone).
    - - A sac of skin and superficial fascia that hangs outside the abdominopelvic cavity at the root of the penis.
    - - Where sperm mature.
    - - The terminal portion of the male duct system. Transports urine and semen.
    - - A copulatory organ that delivers sperm into the female reproductive tract.
    - - Transports sperm during ejaculation.
    - - Each ejaculatory duct empties into the urethra.