transitive verb. 1  To keep up or carry on; continue: maintain good relations. 2  To keep in an existing state; preserve or retain: maintain one's composure. 3  To keep in a condition of good repair or efficiency: maintain two cars.
Anemia is usually classified based on the size of RBCs, as measured by the mean corpuscular volume (MCV). Anemia can be microcytic (MCV typically less than 80 Î¼m3 [80 fL]), normocytic (80 to 100 Î¼m3 [80 to 100 fL]), or macrocytic (greater than 100 Î¼m3 [100 fL]).
HF#6251 3 Anemia Information for You When your red blood cell count is low, you have anemia. Red blood cells are produced in the bone marrow. They carry oxygen throughout the body. When there are fewer red blood cells, the body tissues may not get enough oxygen. Anemia can be measured by a blood test.