Relier Pairs ImmunityVersion en ligne Broad par Dawn Forgione 1 Inflammatory reponse 2 Dilation of capillaries (hyperemia) 3 Factors that affect defense mechanisms 4 Natural immunity - External 5 Capillary permeability increases (diapedesis) 6 Humoral immunity 7 Natural immunity - Internal 8 Cellular immunity 9 Natural immunity 10 Acquired immunity 11 Chemotaxis 12 Formation of exudate 13 Natural / Nonspecific immunity 14 Nonspecific - second line of defense Structural barriers to keep infectious agents out of the body (skin, cilia, etc) Redness, swelling, heat, pain Age, hormones, drugs/chemicals, malnutrition, fatigue/stress, genetic factors Born with the ability to resist infections / normal bodily functions Substances (antigens) in the blood are provided protection from microorganisms Allows white blood cells to leave the blood and travel to the injured area Inflammatory response Chemicals are released which cause phagocytic white cells to migrate to the area Stomach acid, mucus linings, tears, ear wax.. First line of defense against infection (external and internal) Requires exposure to a pathogen, recovery usually results in a lifelong immunity Derived from plasma, containing antibacterial substances, phagocytic cells, and any present antibiotics Removal of foreign substances (antigens) by specialized cells (phagocytosis) to increase blood flow to area
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