Blood, Lymph, And Immune Systems Flashcards
Antibody (Ab)
Protective protein produced by B lymphocytes in response to the presence of a foreign substance called an antigen
Antigen
Substance, recognized as harmful to the host, that stimulates formation of
Antibodies in an immunocompetent individual
Bile pigment
Substance derived from the breakdown of hemoglobin and excreted by the liver
Cytokine
Chemical substance produced by certain cells that initiates, inhibits, increases, or decreases activity in other cells
Immunocompetent
Ability to develop an immune response or recognize antigens and respond to them
Natural killer NK cells
Specialized lymphocytes that kill abnormal cells by releasing chemicals that destroy the cell
Membrane causing its intercellular fluids to leak out