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| primary gland of the lymphatic system, located within the mediastinum; helps maintain the bodys immune response by producing T lymphocytes |
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| the organ between the stomach and the diaphragm that filters out aging blood cells, removes cellular debris, and provides the environment for the start of immune responses by lymphocytes |
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| fluid oringinating in the organs and tissues of the body; circulated through lymph vessels |
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| tiny vessels that draw lymph from the tissues to the vessels |
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| vessels that receive lymph from the capillaries and circulate it to the nodes |
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| many small oval structures that filter the lymph received from the lymph vessels, cervical, axillary, and inguinal |
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| collecting channels that carry lymph from the lymph nodes to the veins |
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| a substance that causes the formation of antibodies against it |
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| a substance produced by the body that destroys an antigen that has entered the body |
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| protein antibodies secreted by B lymphocytes that protect the body from invasion of foreign pathogens |
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| process of disease protection induced by exposure to an antigen |
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| an immunity that protects the body against a future infection, as the result of antibodies that develop naturally after contracting an infection or artificially after administration of a vaccine |
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| an immunity resulting from antibodies that are conveyed naturally through the placenta to a fetus or artificially by injection of a serum containing antibodies |
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| large, irregularly shaped RBCs |
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| increase in immature RBCs |
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| reduced number of lymphocytes |
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| decrease in number of neutrophils |
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| reduced number of all cellular components of the blood |
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| break down of RBC membrane |
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| impaired immunological defenses caused by an immunodeficiency disorder or therapy with immunosuppresive agents |
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| impaired ability to provide an immune response |
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| enlarged (diseased) lymph nodes |
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| enlargement of the spleen |
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| HIV render immune cells ineffective, permitting infections; transmitted sexually or through blood |
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| reduction in number of RBCs, amount of hemoglobin, or volume of packed RBCs, resulting in disability of RBCs to transport O2 to the tissues |
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| characterized by failure of bone marrow to produce RBCs |
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| lack of iron, affects production of hemoglobin and characterized by small RBCs containing low amounts of hemoglobin |
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| not enough vitamin B12, causes RBCs to enlarge, vary in shape, and reduce in numbers |
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| abnormal function of immune system that causes body to produce antibodies against itself, results in tissue death or loss of function; lupus |
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| disorder results from incompatibility of a fetus with an Rh+ and a mother who is Rh-, causing RBC destruction in the fetus |
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| hereditary disorder that results in an excessive buildup of iron deposits in the body |
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| defect in clotting factors necessary for coagulation of blood |
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| abnormally low leukocytes in the blood and bone marrow |
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| bone marrow characterized by the proliferation of abnormal stem cells; develops into leukemia |
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| neoplastic disorder of lymph tissue, usually malignant |
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| process by which cancer cells are spread by blood or lymph circulation to distant organs |
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| increase in mononuclear cells in the blood, along with enlarged lymph nodes, fatigue, and sore throat |
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| increase in the number RBCs and hemoglobin in the blood |
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| systemic disease caused by infection of microorganisms and their toxins in the circulating blood |
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| bleeding disorder characterized by an abnormal decrease in the number of platelets in the blood, which impairs the clotting process |
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