First Known Use: 1925
Dictionary
heme
noun \ˈhēm\
Definition of HEME
: the deep red iron-containing prosthetic group C34H32N4O4Fe of hemoglobin and myoglobin
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Origin of HEME
International Scientific Vocabulary, from hematin
Medical Dictionary
heme
noun
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
Variants of HEME
heme or chiefly British haem \ˈhēm\
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