Lymphatic System and Immunity
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| lymphedema | swelling of tissues caused by blockage of lymph vessels
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| lymphangitis | inflammation of lymphatic vessels
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| elephantiasis | severe lymphedema of limbs fromparasitis infestation
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| lymphoma | malignant tumor of lymph nodes
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| Hodgkin disease | type of lymphoma characterized by swelling of lymph nodes in neck
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| non-Hodgkin lymphoma | type of lymphoma characterized by sweling of lymph nodes
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| thymus | produces T lymphocytes (T cells)
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| pharyngeal tonsils | adenoids
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| palatine tonsils | "the tonsils"
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| spleen | largest lymphoid organ responsible for phagocytosis of bacteria and old RBCs
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| splenomegaly | enlargement of the spleen
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| nonspecific immunity | does not require prior exposure to antigen
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| specific immunity | recognizes prior exposure to bacteria and antigens
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| acquired immunity | immunity obtained after birth from injection or exposure to agent
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| natural immunity | exposure to causitive agent is not deliberate
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| active natural immunity | active disease produces immunity
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| passive natural immunity | immunity passed from mother to fetus
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| artificial immunity | exposure to causitive agent is deliberate
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| active artificial immunity | vaccination
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| passive artificial immunity | immunity passed from one individual to another
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| antibody | protein substance that destroys or inactivates antigens in the body
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| phagocytes | injest and destroy foreign substances
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| lymphocytes | most numerous immune cells
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| B cells | develope into plasma cells, secrete antibodies into blood
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| T cells | produce cell-mediated immunity
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| hypersensitivity | excessive immune response
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| allergy | hypersensitivity to harmless environmental allergens
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| autoimmunity | inappropriate, excessive response to self-antigens
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| isoimmunity | excessive reaction to antigens from another human
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| systemic lupus erythematosus | (SLE)-chronic inflammatory disease caused by antibody attack on tissue
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Created by:
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