Your defenses against disease is called immunity system

Your defenses - • These cells become lymphocytes • They leave the bone marrow and move to the lymph gland • The thymus is a lymph gland found

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Your defenses against disease is called immunity system Immunity can be acquired by reconvering from and infectious disease or vaccination Phagocytes are formed in the marrow of bones Bacteria that get past your first line of defense,your skin and the acid in your stomach are attacked by phagocytes White blood cells also secrete prostaglandin The chemical allows more phagocytes to leak through capillary walls and gather at the site of infection Prostogladins also warn of danger by causing pain at the infection site Germs and foreign matter are called antigens Stem cells are made in the marrow of your bones
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Unformatted text preview: • These cells become lymphocytes • They leave the bone marrow and move to the lymph gland • The thymus is a lymph gland found in the chest cavity under the breast bone • The T in T cells stands for thymus • T cells are involved in the process called CMI – cell mediated immunity • The antigens on the macrophage act like keys • T-Killer cells – react with blood chemicals and bore holes in cells killing them • T-suppresor cells – stop reaction when the infection is over • T-helper cells – activate B cells • T-memory cells – store the power of immunity...
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This note was uploaded on 11/25/2011 for the course PHRM 3010 taught by Professor Staff during the Fall '08 term at University of Georgia Athens.

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