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词汇 chalone
释义

Definition of chalone in English:

chalone

noun ˈkeɪləʊnˈkaləʊn
Biochemistry

  • A substance secreted like a hormone but having the effect of inhibiting a physiological process.

    〔生化〕抑素

    Example sentencesExamples
    • Regression of generalized leukaemia in rat is induced by the granulocytic chalone.
    • In addition, European researchers provided evidence for endogenous growth inhibitory substances, called chalones, in glands and tissues.
    • A reaction based on chalones cannot explain the re-transformation of the tumour into normal skin cells.
    • This volume is a series of up-to-date articles on chalones.

Origin

Early 20th century: from Greek khalōn 'slackening', present participle of khalaein, on the pattern of hormone.
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