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Chapter 8 Cards
Medical Terminology: Creative Study Assignment - Chapter 8
Term | Definition |
---|---|
blast/o | germ or bud |
chyl/o | juice |
reticul/o | a net |
serum | liquid portion of the blood that remains after clotting |
hemoglobin | the protein-iron compound in erythrocytes that transports oxygen and carbon dioxide |
lacteals | specialized lymph vessels in the small intestine that absorb fat into the bloodstream (lacteus = milky) |
antigen | a substance that, when introduced into the body, causes the formation of antibodies against it |
antibody | a substance produced by the body that destroys or inactivates an antigen that has entered the body |
active immunity | a long-lasting immunity that results from stimulating the body to produce its own antibodies; developed either naturally, in response to an infection, or artificially, in response to the administration of a vaccine |
passive immunity | a short-lasting immunity that results from foreign antibodies that are conveyed either naturally, through the placenta to a fetus, or artificially, by injection of a serum containing antibodies |
anisocytosis | presence of red blood cells of unequal size (an = not, without; iso = equal) |
poikilocytosis | presence of large, irregularly shaped red blood cells (poikilo = irregular) |
lymphadenopathy | enlarged (diseased) lymph nodes |
anemia | a condition of reduced numbers of red blood cells, hemoglobin, or packed red cells in the blood, resulting in a diminished ability of red blood cells to transport oxygen to the tissues |
hemochromatosis | hereditary disorder with an excessive buildup of iron deposits in the body |
hemophilia | a group of hereditary bleeding disorders caused by a defect in clotting factors necessary for the coagulation of blood |
metastasis | process by which cancer cells are spread by blood or lymph circulation to a distant organ; the plural form, metastases, indicates spreading to two or more distant sites |
septicemia | systemic disease caused by infection with microorganisms and their toxins in circulating blood |
blood chemistry | test of the fluid portion of blood to measure the amounts of its chemical constituents (e.g., glucose and cholesterol) |
basic metabolic panel (BMP) | battery of tests used as a general screen for disease; includes tests for calcium, carbon dioxide (CO2), chloride, creatinine, glucose, potassium, sodium, and blood urea nitrogen (BUN) |
comprehensive metabolic panel | tests performed in addition to the basic panel for expanded screening: albumin, bilirubin, alkaline phosphatase, protein, alanine aminotransferase (ALT), and aspartate aminotransferase (AST) |
CD4 cell couunt | a measure of the number of cluster of differentiation (CD4) cells (a subset of T lymphocytes) in the blood; used in monitoring the course of HIV and in timing the treatment of AIDS; the normal adult range is 600–1,500 cells in a given volume of blood |
blood indices | calculations of RBC, HGB, and HCT results to determine the average size, hemoglobin concentration, and content of red blood cells to classify an anemia |
red cell morphology | as part of identifying and counting the white blood cells, the condition, size, and shape of red blood cells in the background of the smeared slide are noted (e.g., anisocytosis, poikilocytosis) |
pancytopenia | an abnormally reduced number of all cellular components in the blood |
lymph/o | clear fluid |
basophil | a granular leukocyte, named for the dark stain of its granules, that brings anticoagulant substances to inflamed tissues (baso = base; phil = attraction for) |
agranulocytes | a group of leukocytes without granules in their nuclei |
lymph ducts | collecting channels that carry lymph from the lymph nodes to the veins |
thrombocytopenia | an abnormally decreased number of platelets in the blood, impairing the clotting process |