blood, lymph, and immune system keyterms

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  1. antibody
    protective protein produced by B lymphocytes in response to the presence of a foreign substance called antigen
  2. antibodies are also known as...
    immunoglobulins (Igs)
  3. antigen
    substance, recognized as harmful to the host, that stimulates formation of antibodies in an immunocompetent individual
  4. bile pigment
    substance derived from the breakdown of hemoglobin and excreted by the liver
  5. interference with the excretion of bile may lead to...
  6. cytokine
    chemical substance produced by certain cells that initiates, inhibits, increases, or decreases activity in other cells
  7. cytokines are important chemical communicators in the...
    immune response
  8. cytokines regulate many activities associated with...
    immunity and inflammation
  9. immunocompetent
    ability to develop an immune response or recognize antigens and respond to them
  10. natural killer cells (NK)
    specialized lymphocytes that kill abnormal cells by releasing chemicals that destroy the cell membrane, causing its intercellular fluids to leak out
  11. NK cells destroy....
    virally infected cells and tumor cells
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blood, lymph, and immune system keyterms
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