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Dictionary of Cancer Terms

View in Spanish: Metahemoglobina

Methemoglobin (met-HEE-moh-GLOH-bin)
A form of hemoglobin found in the blood in small amounts. Unlike normal hemoglobin, methemoglobin cannot carry oxygen. Injury or certain drugs, chemicals, or foods may cause a higher-than-normal amount of methemoglobin to be made. This causes a condition called methemoglobinemia.

Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.