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Pronunciation: he'mo-peks'in

Definition: A serum glycoprotein related to ß-globulins, with molecular weight around 57,000, containing 22% carbohydrate; important in binding heme and porphyrins, preventing excretion, and perhaps regulating heme in drug metabolism.

[hemo- + G. pexis, fixation, + -in]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.