cytology

From Longman Dictionary of Contemporary EnglishRelated topics: Microbes, genetics, biochemcytologycy‧tol‧o‧gy /saɪˈtɒlədʒi $ -ˈtɑː-/ noun [uncountable] HBMthe scientific study of cells from living things —cytologist noun [countable]Examples from the Corpuscytology• In 1949 Lemon and Byrne reported a large series of patients undergoing duodenal aspiration cytology with a test sensitivity of over 70%.• The possible dissemination of tumour by percutaneous fine needle aspiration cytology may result in these becoming the diagnostic techniques of choice.• Percutaneous fine needle aspiration cytology is, however, highly operator dependent.• Methods are obviously required to improve the sensitivity of diagnostic biliary cytology.• Multiple sampling for exfoliative cytology has been shown to improve the sensitivity of the technique but is time consuming.• None of the 15 patients subsequently shown to have benign disease had positive cytology.• One third of the patients with cholangiocarcinoma and a quarter of those with cancer of the pancreas had positive cytology.Origin cytology (1800-1900) Greek kytos “hollow container” + English -logy

单词	cytology
释义	cytology From Longman Dictionary of Contemporary EnglishRelated topics: Microbes, genetics, biochemcytologycy‧tol‧o‧gy /saɪˈtɒlədʒi $ -ˈtɑː-/ noun [uncountable] HBMthe scientific study of cells from living things —cytologist noun [countable]Examples from the Corpuscytology• In 1949 Lemon and Byrne reported a large series of patients undergoing duodenal aspiration cytology with a test sensitivity of over 70%.• The possible dissemination of tumour by percutaneous fine needle aspiration cytology may result in these becoming the diagnostic techniques of choice.• Percutaneous fine needle aspiration cytology is, however, highly operator dependent.• Methods are obviously required to improve the sensitivity of diagnostic biliary cytology.• Multiple sampling for exfoliative cytology has been shown to improve the sensitivity of the technique but is time consuming.• None of the 15 patients subsequently shown to have benign disease had positive cytology.• One third of the patients with cholangiocarcinoma and a quarter of those with cancer of the pancreas had positive cytology.Origin cytology (1800-1900) Greek kytos “hollow container” + English -logy
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