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platelet

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noun plate·let \ˈplāt-lət\

Simple Definition of platelet

  • : a small, round, thin blood cell that helps blood to stop flowing from a cut by becoming thick and sticky

Source: Merriam-Webster's Learner's Dictionary

Full Definition of platelet

  1. :  a minute flattened body (as of ice or a mineral); especially :  a minute colorless disklike body of mammalian blood that assists in blood clotting by adhering to other platelets and to damaged epithelium —called also blood platelet, thrombocyte

1895

First Known Use of platelet

1895


PLATELET Defined for Kids

platelet

play
noun plate·let \ˈplāt-lət\

Definition of platelet for Students

  1. :  one of the tiny colorless disk-shaped bodies of the blood that assist in blood clotting




Medical Dictionary

platelet

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noun plate·let \ˈplāt-lət\

Medical Definition of platelet

  1. :  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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