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Pronunciation: met-he'mo-glo'bi-ne'me-a

Definition: The presence of methemoglobin in the circulating blood; when severe, there is inadequate oxygenation of the tissues. Methemoglobin causes the blood to have a brownish color, which may be mistaken for cyanosis.

[methemoglobin + G. haima, blood]

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