| 词汇 | neutrophil |
| 释义 | neutrophil noun[ C ] biology specializeduk /ˈnjuː.trə.fɪl/ us /ˈnuː.trə.fɪl/ a type of white blood cell that helps to destroy harmful substances in the body and therefore protect the body from disease中性白细胞 The circulatory system & blood ABO accessory pathway adventitia adventitial ANA auricle bicuspid valve femoral artery gamma globulin glomus granulocyte haematogenous haemic phagocyte precava pulmonary artery pulmonary vein pulmonic Purkinje fibre tricuspid valve Examples of neutrophilneutrophil The reactions in normal and immune-deprived mice are of comparable size and both contain eosinophils, neutrophils, monocytes, fibroblasts and plasma cells. Many more neutrophils than eosinophils were observed on the surfaces of antibody-coated agar layers in electron micrographs. Similar morphological lesions have not been observed in schistosomula with adherent neutrophils in this in vivo study. Activation of neutrophils can occur rapidly after exposure to bacterial products. Ocular migration produces an early cellular reaction, formed by an infiltration of neutrophils accompanied by vasculitis and retinal microinfarcts. The responses to ischemia and reperfusion also involves an inflammatory response, and inflammation involves interactions between circulating neutrophils and the endothelium. Only a decrease in neutrophil counts was observed, which might have been missed had only a white blood cell count without the differential been performed. Activated neutrophils: purveyors of oxidative stress into the maternal circulation? Transepithelial migration of neutrophils also contributes to tight junction disruption. Movement of the neutrophils across the epithelial layer can then be assessed. The rise in interleukin-8 coincided with rapid rises in the numbers of peripheral neutrophils (which had fallen during bypass) and in plasma elastase. Neutrophil-derived superoxide anion induces lipid peroxidation and stimulates collagen synthesis in human hepatic stellate cells : role of nitric oxide. I t was clear that the neutrophils were disrupting the collagen layers. Both acute and chronic inflammation are characterised by an initial infiltration of neutrophils, followed by a more sustained influx of mononuclear cells. Quantitation of cellular response indicated that the neutrophils were the predominant cells throughout feeding, followed by mononuclear cells and eosinophils. 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. |
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