Immune organs
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Immune organs

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Immune organs Immune organs Presentation Transcript

  • Immune Organs
    • Body defense and resistance to disease
    http://www.rush.edu/rumc/images/ei_0093.gif
  • Spleen
    • Filters blood
    • Located on the left side of the
    • abdominal cavity
    • Destroys worn-out red blood cells
    • Stores platelets
    • Acts as a blood reservoir (holder)
    • Most important hematopoietic site in a fetus
    • (makes red blood cells)
    • Only produces lymphocytes (white blood cells) in adults
    http://pedsurg.ucsf.edu/media/85932/img_spleen_ill.gif
  • Thymus Gland
    • Functions at peak levels during youth
    • Produces hormones to program lymphocytes
    • (white blood cells)
    http://www.anatomy.tv/StudyGuides/Images/Thymus.jpg
  • Tonsils
    • Ring the larynx
    • Trap and remove bacteria and foreign pathogens from entering the throat
      • Sometimes too effectively: tonsillitis
    http://www.besthealth.com/besthealth/bodyguide/reftext/images/tonsil.jpg
  • Peyer’s patches
    • Found in wall of the small intestines
    • Similar look and function as tonsils
    http://wpcontent.answers.com/wikipedia/commons/thumb/f/f8/Peyer%27s_Patches.jpg/900px-Peyer%27s_Patches.jpg