Blood cell
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
A blood cell (also called blood corpuscle) is any cell of any type normally found in blood. In mammals, these fall into three general categories:
Together, these three kinds of blood cells sum up for a total 45% of blood tissue (55% is plasma).
| cell type | Primary function | Lifetime |
|---|---|---|
| Red blood cells | transport of oxygen | 120 days |
| White blood cells | produces antibodies to fight infection | days to years |
| Platelets | blood clotting | 8 days |
Disorders
A decrease in number of blood cells is called cytopenia. An increase, on the other hand, is called polycythemia.[1]
References
- ↑ Polycythemia vera nlm.nih.gov
External links
- What is Blood? from the Genetic Science Learning Center at the University of Utah.
- Cells of the blood
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