14- Lymphatic and Immune Systems – Flashcards
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lymphopoiesis
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Formation of lymph
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interstitial fluid
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found in the spaces between cells and becomes lymph when it enters lymph capillaries
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platelets
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not part of the immune system
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bone marrow
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not an area of lymph node concentration
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humoral immunity
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an immune response in which B cells transform into plasma cells and secrete antibodies (b cells, plasma cells, and antibodies)
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T cells
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lymphocytes, formed in the thymus gland, that act on antigens (helper or suppressor cells)
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examples of immunoglobulins
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IgA, IgG, IgE
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oropharyngeal lymph tissue
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tonsils
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mediastinal t cell producer
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thymus
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nasopharyngeal lymph tissue
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adenoids
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abdominal organ that filters erythrocytes and activates lymphocytes
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spleen
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produces lymphocytes and monocytes and all other blood cells
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bone marrow
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cytotoxic cells are
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t cell lymphocytes
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interferons and interleukins are
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antiviral proteins produced by t cell lymphocytes
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slight increase in number of lymphocytes
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lymphocytosis
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pertaining to poison
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toxic
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computerized x-ray imaging in the transverse plane
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CT scan
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HIV is
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the virus that causes AIDS
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malignant tumor of lymph nodes
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Hodgkin disease
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viral infection causing blisters on skin of lips, nose, or genitals
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herpes simplex
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cancer arising from the lining cells of capillaries, producing bluish-red skin nodules
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Kaposi sarcoma
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Major lung infection with fever, cough, chest pain, and sputum. Treatment is with Bactrim
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Pneumocystis carinii pneumonia
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Protozoan (parasitic) infection associated with AIDS. Produces pneumonitis, hepatitis, and encephalitis
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toxoplasmosis
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fungal infection associated with AIDS. Involves brain and meninges, lungs, and skin
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cryptococcosis
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atopy is
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a hypersensitivity or allergic state
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cell-mediated immunity
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an immune response in which T cells destroy antigens
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B cells
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lymphocytes that transform into plasma cells and secrete antibodies
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inguinal nodes
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groin
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axillary nodes
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armpit
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cervical nodes
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neck
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mediastinal nodes
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chest
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removal of the spleen
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splenectomy
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inflammation of lymph glands (nodes)
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lymphadentitis
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tumor of the thymus gland
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thymoma
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disease of lymph glands (nodes)
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lymphadenopathy
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formation of lymph
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lymphopoiesis
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deficiency of lymph cells
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lymphocytopenia
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enlargement of the spleen
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splenomegaly
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HIV
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human immunodeficiency
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histo
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histoplasmosis
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KS
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Kaposi sarcoma
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PCP
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Pneumocystis carinii pneumonia
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CT scan
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computed tomography
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toxo
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toxoplasmosis
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suppressor T-cells
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t-cell lymphocytes that inhibit the activity of B cell lymphocytes
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immunoglobulins
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antibodies- IgC, IgE, IgM, IgD
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helper t-cells
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t-cell lymphocytes; stimulate antibody production; T4 cells
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toxins
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poisons (antigens)
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cytotoxic cells
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t-cell lymphocytes; killer cells; T8 cells
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interferons
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anti-viral proteins secreted by t cells
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plasma cells
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transformed B cells that secrete antibodies
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hypersplenism
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syndrome marked by enlargement of the spleen and associated with anemia and leukopenia
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anaphylaxis
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an extraordinary hypersensitivity to a foreign protein; marked by hypotension, shock, and respiratory distress
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allergen
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an antigen capable of causing allergy (hypersensitivity)
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AIDS
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disorder in which the immune system is suppressed by exposure to HIV
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thymectomy
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removal of mediastinal organ
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Hodgkin disease
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malignant tumor of lymph nodes and spleen marked by Reed-Sternberg cell identified in lymph nodes
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lymphoid organs
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tissues that produce lymphocytes- spleen, thymus, tonsils, and adenoids
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lymphedema
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swelling of tissues due to intestinal fluid accumulation
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T4 helper lymphocytes
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white blood cells that are destroyed by HIV
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immunoelectrophoresis
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test to separate immunoglobulins
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zidovudine
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drug used to treat AIDS by blocking the growth of AIDS virus
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ELISA
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test used to detect anti-HIV antibodies
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opportunistic infections
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group of infectious diseases associated with AIDS
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lymph nodes
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stationary lymph tissue along the path of the lymph vessels
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thoracic duct
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large thoracic lymph vessel draining lymph from lower and left side of the body
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spleen
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organ near the stomach that produces, stores, and eliminates blood cells
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adenoids
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mass of lymph tissue in the nasopharynx
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thymus
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organ in the mediastinum that produces T cell lymphocytes
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lymph capillaries
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tiniest of lymph vessels
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right lymphatic duct
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large lymph vessel in the chest that drains lymph from the right upper part of the body
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interstitial fluid
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fluid that lies between cells and becomes lymph as it enters lymph capillaries
