blood disorder - a disease or disorder of the bloodcytopenia - a deficiency of some cellular element of the blood acidemia - a blood disorder characterized by an increased concentration of hydrogen ions in the blood (which falls below 7 on the pH scale) alkalemia - a blood disorder characterized by a lower concentration of hydrogen ions in the blood (which rises above 7.45 on the pH scale) acanthocytosis - the presence of acanthocytes in the blood stream (as in abetalipoproteinemia) analbuminemia - an abnormally low level of albumin in the blood serum afibrinogenemia - the absence of fibrinogen in the plasma leading to prolonged bleeding erythroblastosis - a blood disease characterized by the abnormal presence of erythroblasts in the blood histiocytosis - a blood disease characterized by an abnormal multiplication of macrophages hydremia - blood disorder in which there is excess fluid volume compared with the cell volume of the blood hypothrombinemia - a low level of prothrombin (factor II) in the circulating blood; results in long clotting time and poor clot formation and sometimes excessive bleeding; can result from vitamin K deficiency leucocytosis, leukocytosis - an abnormal increase in the number of white blood cells in the blood as a result of infection (as in leukemia) lymphocytosis - an abnormal increase in the number of lymphocytes in the circulating blood microcytosis - a blood disorder characterized by the presence of microcytes (abnormally small red blood cells) in the blood; often associated with anemia polycythemia - a disorder characterized by an abnormal increase in the number of red blood cells in the blood peliosis, purpura - any of several blood diseases causing subcutaneous bleeding uratemia - presence of abnormal amounts of uric acid salts in the blood; symptom of gout uricaciduria - presence of abnormal amounts of uric acid in the urine; symptom of gout |