Heme meaning

hēm
A deep red, iron-containing compound, C34 H32 FeN4 O4, that constitutes the nonprotein component of hemoglobin and certain other proteins.
noun
0
0
A deep red, iron-containing compound, C34 H32 FeN4 O4, that constitutes the nonprotein component of hemoglobin and certain other proteins.
noun
0
0
The nonprotein, iron-containing pigment, C34H32N4O4Fe, that is a component part of hemoglobin, myoglobin, etc.
noun
0
0
A deep red, iron-containing compound, C34 H32 FeN4 O4, that constitutes the nonprotein component of hemoglobin and certain other proteins.
noun
0
0
The deep red, nonprotein, iron-containing component of hemoglobin that carries oxygen. Heme is a porphyrin with an iron atom at its center. One of the free valence electrons of the iron atom of heme is bound to the hemoglobin molecule, while the other is available for binding to an oxygen atom. A hemoglobin molecule contains four hemes. Chemical formula: C34H32FeN4O4.
0
0
Advertisement
The component of hemoglobin (other hemoproteins) responsible for binding oxygen, consists of an iron ion that binds oxygen and a porphyrin ring that binds the globin molecules; one molecule binds one molecule of oxygen.
noun
0
0

Origin of heme

  • Short for hematin

    From American Heritage Dictionary of the English Language, 5th Edition

  • Short for hematin

    From American Heritage Dictionary of the English Language, 5th Edition