英和和英

語源

Back-formation from hemoglobin.

発音

• (米国発音, 英国発音) IPA^(key): /hiːm/
• 韻: -iːm

名詞

heme (countable かつ uncountable, 複数形 hemes)

1. (biochemistry) The component of hemoglobin (かつ 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.

   • 2018, Ruth Reichl; Silvia Killingsworth, The Best American Food Writing 2018, Mariner Books, →ISBN, page 152:

     Impossible's breakthrough was in discovering that meat's essence comes from heme—the iron-rich molecule in blood that carries oxygen and is responsible for the deep-red color.

派生語

関連する語

• hemoglobin

参考

Further reading

• heme on Wikipedia.