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Definition of heme
: the deep red iron-containing prosthetic group C34H32N4O4Fe of hemoglobin and myoglobin
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Recent Examples of heme from the Web
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The magic ingredient is a molecule called heme, found in living cells, Halla said.
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My research is in bioinorganic chemistry, specifically modeling non-heme iron-sulfur metalloenzymes.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'heme'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of heme
International Scientific Vocabulary, from hematin
Medical Dictionary
heme
Medical Definition of heme
: the deep red iron-containing prosthetic group C34H32N4O4Fe of hemoglobin and myoglobin that is a ferrous derivative of protoporphyrin and readily oxidizes to hematin or hemin—called also protoheme
Learn More about heme
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Britannica.com: Encyclopedia article about heme
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