heme
See also: hème
English
Alternative forms
- haem (British)
Etymology
Back-formation from hemoglobin.
Pronunciation
- (US) IPA(key): /hiːm/
- Rhymes: -iːm
Noun
heme (countable and uncountable, plural hemes)
- The component of hemoglobin (and other hemoproteins) responsible for binding oxygen. It consists of an iron ion that binds oxygen and a porphyrin ring that binds the globin molecules; one molecule binds one molecule of oxygen.
- 2008, John Greer, John Foerster, George Rodgers, Fixos Paraskevas, Bertil Glader, Daniel Arber, Robert Means Jr, Wintrobe's Clinical Hematology: Volume One: Twelfth Edition, page 141:
- The binding of oxygen to the iron molecule causes the hemoglobin molecule to undergo conformational changes that affect the binding of oxygen to other heme sites.
- 2008, John Greer, John Foerster, George Rodgers, Fixos Paraskevas, Bertil Glader, Daniel Arber, Robert Means Jr, Wintrobe's Clinical Hematology: Volume One: Twelfth Edition, page 141:
Derived terms
Translations
See also
Ido
Adverb
heme
Middle English
Pronoun
heme
- Alternative form of hem
References
- “hem, (pron.)” in MED Online, Ann Arbor, Mich.: University of Michigan, 2007, retrieved 12 June 2018.
Spanish
Etymology
Phrase
heme
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