CHAPTER 14 MEDICAL TERMS LYMPHATIC AND IMMUNE SYSTEM – Flashcards
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LYMOHOPOIESIS
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Formation of lymph
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Interstitial fluid
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Is found in the spaces between cells and becomes lymph when it enters lymph capillaries
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Lymphocytes, monocyte, phagocytes, antibodies
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Components of the immune system
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Inguinal, auxiliary, mediastinal, cervical
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Where are lymph nodes concentrated
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T cells
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Helper or suppressor cells
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IgA, IgG, IgE
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Immunoglobulin
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Tonsils
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oropharyngeal lymph tissue
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Thymus
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mediastinal T cell producer
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Adenoids
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nasopharyngeal lymph tissue
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Spleen
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Abdominal organ that filters erythrocytes aand activates lymphocytes
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Bone marrow
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Produces lymphocytes and monocyte and all other blood tissues
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cytotoxic
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T cell lymphocytes
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interferons and interleukins
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Antiviral proteins produced by T cell lymphocytes
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lymphocytosis
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Slight increase in numbers of lymphocytes
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TOXIC
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Pertaining to poison
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CT scan
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Computerized x-ray imaging in the transverse plane
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HIV
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Virus that causes AIDS
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Hodgkin disease
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Malignant tumor of lymph nodes
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Herpes Simplex
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Viral infection causing blisters on skin of lips, nose, or genitals
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Kaposi Sarcoma
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Cancer arising from the lining cells of capillaries, producing purplish skin nodules
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pneumocystis jiroveci (pneumonia)
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Major lung infection with fever, cough, chest pain, and sputum; treated with trimethoprim-sulfamethoxazole
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toxoplasmosis
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Protozoa (parasitic) infection associated with AIDS that may cause pneumonitis, hepatitis, and encephalitis
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cryptococcosis
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Fungal infection associated with AIDS, involving brain and meanings, lungs, and skin
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Atopy
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Hypersensitivity or allergic state
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Cell-mediated immunity
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Immune response in which T cells destroy antigens
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T cells
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Lymphocytes contained in the thymus gland that act on antigens
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B cells
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Lymphocytes that transform into plasma cells and secrete antibodies
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Humoral immunity
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Immune response in which B cells transform into plasma cells and secrete antibodies
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Thymus gland
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organ in the chest that produces T cells
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Interstitial fluid
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Fluid in the spaces between cells
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lymphedema
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Collection of fluid in tissues
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Interleukin
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Proteins that stimulate the growth of T cells
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Adenoids
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Masses of lymph tissue in the nasopharynx
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vaccination
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Introduction of altered antigens to produce Al immune response
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tonsillitis
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Inflammation of tonsils
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lymphopoiesis
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Formation of a lymph
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Cervical nodes
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Lymph nodes in the neck region
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antigen
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Substance that the body recognizes as foreign and evokes an immune response
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Adaptive immunity
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Production of antibodies and lymphocytes in response to exposure to an antigen
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Helper T cell
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Lymphocyte that aids B cells in recognizing antigens and stimulating antibody production (T4 cell or CD4+ cell)
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Adenoids
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Mass of lymphatic tissue in the nasopharynx
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dendritic cell
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Cell (specialized macrophage) that digests foreign cells and helps B and T cells recognize and mark antigens for destruction
