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