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anemia a condition resulting from a deficiency of red blood cells or hemoglobin and characterized by weakness, pallor, and difficulty in breathing.
anemic pertaining to or suffering from anemia, a condition resulting from a deficiency of red blood cells or hemoglobin and characterized by weakness, pallor, and difficulty in breathing. [1/2 definitions]
erythrocyte one of the disk-shaped red blood cells that carry hemoglobin and give blood its color.
heme a red, nonprotein, iron-containing substance present in hemoglobin.
hemolysin a substance, such as an antibody, formed in the blood, that initiates the breaking down of red corpuscles and the liberation of hemoglobin.
hemolysis the destruction of hemoglobin-bearing red blood cells and the consequent release of the hemoglobin into the blood fluid.
iron a chemical element that has twenty-six protons in each nucleus and that occurs naturally in a variety of compounds such as minerals important in the earth's crust as well as the biologically essential cytochromes and hemoglobin, and that can be isolated in pure form as a silver-gray, dense, malleable metal that rusts rapidly in air, can be easily magnetized, and is widely used in a variety of alloys. (symbol: Fe) [1/16 definitions]
methemoglobin a substance formed in the blood by the oxidation of hemoglobin, as by the effects of certain drugs.
sickle cell anemia a hereditary form of anemia caused by the presence of abnormal sickle-shaped red blood cells and abnormal hemoglobin, resulting in abdominal pain and leg ulcers.
thalassemia an inherited form of anemia caused by abnormal production of hemoglobin.