英语词汇“koch's phenomenon”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	koch's phenomenon
释义	Koch's Phenomenon Koch’s Phenomenon (Koch’s reaction), the phenomenon of the altered reactivity of an animal or human body that has been sensitized to tuberculosis bacteria, first described by R. Koch in 1891. Koch’s phenomenon indicates tubercular infection in the body. Koch's phenomenon Koch's phenomenon A local inflammatory reaction resulting from injection of tuberculin into the skin of a person who has been previously exposed to the tubercle bacillus. The test represents the clinical application of a type IV (delayed-type) hypersensitivity reaction. In contemporary skin tests for tuberculosis, Koch's, or “old, ” tuberculin has been replaced by tuberculin purified protein derivative. See: tuberculosisSee also: Koch, Heinrich Herman Robert
随便看	give full rein to him give full rein to me give full rein to (one) give full rein to one give full rein to somebody give full rein to someone give full rein to them give full rein to us give full rein to you give (full) vent to (something) give full vent to something give furiously to think give get a pasting give get the bum's rush give gray hair give gray hair to give grey hair give grief give ground give hail columbia give half a chance give head give head for the washing give heart give heart failure

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Koch's Phenomenon