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Home >Information for Patients > Dictionary Index

Dictionary of Cancer Terms

View in Spanish: Plaqueta

Platelet (PLATE-let)
A tiny piece of a cell found in the blood that breaks off from a large cell found in the bone marrow. Platelets help wounds heal and prevent bleeding by forming blood clots. Also called thrombocyte.



 
 
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.