- compensatory polycythemia
- see secondary p.
Medical dictionary. 2011.
Medical dictionary. 2011.
Polycythemia — The presence of too many red blood cells. Polycythemia formally exists when the hemoglobin, red blood cell (RBC) count and total RBC volume are both above normal. For example, the percentage of red blood cells in whole blood (hematocrit) in… … Medical dictionary
absolute polycythemia — an increase in red cell mass caused by a sustained overactivity of the erythroid component of the bone marrow, which may occur as a compensatory physiologic response to tissue hypoxia (see secondary p.), or as the principal manifestation of… … Medical dictionary
secondary polycythemia — any absolute increase in the total red cell mass other than polycythemia vera, usually occurring as a physiologic response to tissue hypoxia. Some types are called compensatory or appropriate, such as from adjustments for general tissue hypoxia… … Medical dictionary
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