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NCI Dictionary of Cancer Terms

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NCI Dictionary of Cancer Terms

connecting peptide  listen  (kuh-NEK-ting PEP-tide)

  A substance made by the pancreas. Connecting peptide and insulin are both part of a larger molecule that gets split apart before being released into the blood. Abnormal blood levels of connecting peptide may occur in certain diseases, such as diabetes or cancer. Also called C-peptide.