Unformatted text preview: antibody and a higher titer of antibody in the blood than before contact. The way this occurs is modeled in the "CLONAL SELECTION THEORY". CLASSIFICATION OF AQUIRED IMMUNITY Naturally Aquired Artificially Aquired Active Passive Active Passive Antigen enters body naturally and the body produces antibody and specialized lymphocytes Antibodies pass from mother to fetus through the placenta or to infant through breast feeding her milk. Antibodies are produced in response to vaccines body produces them and special lymphocytes Preformed antibodies are given in immune serum produced by another host (convalescent serum or horse serum). Introduced into the body through injection...
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- Fall '09
- Phagocytosis, Antigen enters body, specific host defense