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Home >Information for Patients > Dictionary Index

Dictionary of Cancer Terms

View in Spanish: Hematina

Heme (heem)
The part of certain molecules that contains iron. The heme part of hemoglobin is the substance inside red blood cells that binds to oxygen in the lungs and carries it to the tissues.



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