Medical Dictionary
platelet
noun plate·let \ˈplāt-lət\
Medical Definition of PLATELET
: a minute colorless anucleate disklike body of mammalian blood that is derived from fragments of megakaryocyte cytoplasm, that is released from the bone marrow into the blood, and that assists in blood clotting by adhering to other platelets and to damaged epithelium—called also blood platelet, thrombocyte
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