NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,940 terms related to cancer and medicine.

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hematocrit
(hee-MA-toh-krit)
The amount of whole blood that is made up of red blood cells. It depends on the number and size of red blood cells. A hematocrit test is usually part of a complete blood count (CBC). It may be used to check for conditions such as anemia, dehydration, malnutrition, and leukemia. Also called HCT.