| 词汇 | platelet |
| 释义 | platelet noun[ C ] biology specializeduk /ˈpleɪt.lət/ us /ˈpleɪt.lət/ a very small cell in the blood that makes it thicker and more solid in order to stop bleeding caused by an injury血小板 The circulatory system & blood ABO accessory pathway adventitia adventitial ANA auricle bicuspid valve corpuscle femoral artery glomus granulocyte haematogenous haemic phagocyte portal system precava pulmonary artery pulmonary vein pulmonic tricuspid valve You can also find related words, phrases, and synonyms in the topics: Cells First, special cells, called platelets, stop the blood from coming out. platelet | American Dictionaryplatelet noun[ C ] us/ˈpleɪt·lɪt/ biology a very small cell in the blood that makes the blood thicker and stops it from flowing when you cut yourself Examples of plateletplatelet It is supposed that these improvements of clinical symptoms are based on inhibition of vasoconstriction and platelet aggregation in pulmonary circulation. Scanning electron micrographs show progressive accumulation of platelets attached to syndietic materials. Second, platelet counts should be followed during the pregnancy, as often as every 2+4 weeks, in order to detect thrombocytopenia as it develops. Of two other minor bands of activity, one was associated with platelets. Additionally, activated platelets expose a negative charge on their membrane comprising exposed phosphatidyl serine phospholipids. During pregnancy accelerated destruction of platelets can occur at any time but tends to appear during the late second and the third trimesters. If bleeding exceeds 5 ml/kg for the second hour, platelet concentrates and additionalfreshfrozenplasma are ordered and given when ready. Treatment is initially supportive with blood and platelet transfusions, and antibiotics. Table 1 lists the platelet glycoprotein antigen polymorphisms and their relation to clinical disease. Another interesting phenomenon that was identified in this study was the influence of different bacteria on the platelet counts. The exact molecular mechanisms by which isoflavones affect platelet aggregation are unclear and currently under investigation. They caused an elevated platelet count in half of the episodes. The difference in platelet count was statistically significant at the 0.5 and 1 hour measurements. The initial platelet count was 20 x 109 per litre in 50% (53/107). Determination of the fetal platelet count is important because of the need for antenatal treatment. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. Collocations withplateletplateletThese are words often used in combination with platelet. Click on a collocation to see more examples of it. low platelet The infant had not suffered any haemorrhagic complications (a cranial ultrasound was negative) and the lowplatelet count resolved after 2 weeks of life. platelet activation Thomboses are mediated by an antigen-antibody complex that causes platelet activation in the presence of heparin, referred to as heparin-dependent antibody. platelet aggregation It is supposed that these improvements of clinical symptoms are based on inhibition of vasoconstriction and plateletaggregation in pulmonary circulation. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. See all collocations with platelet |
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