单词	platelet
释义	platelet noun plate·​let ˈplāt-lət  : 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 Example Sentences Recent Examples on the Web On July 28, Mandy Moore shared an update about her platelet levels on Instagram, per Today. Whitney Perry, Glamour, 30 July 2022 Mike McGlinchey, who had a platelet-rich-plasma injection in his knee shortly after playing eight snaps in the preseason opener Aug. 12. Eric Branch, San Francisco Chronicle, 23 Aug. 2022 Whole blood donation takes about an hour, while platelet donations take between two-and-a-half to three hours, according to the Red Cross website. Fox News, 15 Aug. 2022 Patel and others are exploring other treatments, including nasal injections of platelet-rich plasma and electrical stimulation. Evan Bush, NBC News, 27 July 2022 All types of blood are needed, especially types O positive and O negative, as well as platelet donations. Dave Quinn, PEOPLE.com, 24 Jan. 2022 Nearly half of all platelet donations are given to patients undergoing cancer treatments. Healthday News, San Diego Union-Tribune, 29 June 2021 Li and his colleagues also found that the cats exposed to the Camp fire had higher levels of platelet priming than their counterparts in the two other groups. Sumeet Kulkarni, Los Angeles Times, 27 July 2022 European scientists found clues that an abnormal platelet-harming immune response to AstraZeneca’s vaccine might be to blame -- and if so, then doctors should avoid the most common clot treatment, a blood thinner called heparin. BostonGlobe.com, 23 Apr. 2021 See More Word History First Known Use 1888, in the meaning defined above Phrases Containing platelet blood platelet blood platelet Kids Definition platelet noun plate·​let ˈplāt-lət  : one of the tiny colorless disk-shaped bodies of the blood that assist in blood clotting Medical Definition platelet noun plate·​let ˈplāt-lət  : 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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