10-22-07 - BIO 311D 10/22/2007 9:03:00 AM Non specific...

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BIO 311D 22/10/2007 10:03:00 Non specific internal defense phagocytic cells—they eat away foreign antigens o neutrophils and macrophages (developed from monocytes) engulf and  digest foreign cells.  Eosinophils bombard large parasites.  (%’s and  amount/microliter???) natural killer cells (NK)—release chemicals that break down their targets’ cell  membrane (attack tumor cells/cells infected by viruses) o they work better when you’re happy, so smile! o Diagram of macrophages and diagram of NK cells Inflammation—internally means “to set a fire” o injured tx releases chemicals.  These chemicals stimulate mast cells,  which are connective tx cells specialized to release  histamine Histamine promotes vasodilation. redness—this is caused by vasodilation warmth—this is due to the increased blood flow and phagocytes swelling—increase capillary permeability
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This note was uploaded on 04/07/2008 for the course BIO 311D taught by Professor Reichler during the Fall '08 term at University of Texas at Austin.

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10-22-07 - BIO 311D 10/22/2007 9:03:00 AM Non specific...

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