Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun The deep red, nonprotein, ferrous component of hemoglobin, C34H32FeN4O4.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun The
component ofhemoglobin (and otherhemoproteins ) responsible forbinding oxygen , consists of aniron ion that binds oxygen and aporphyrin ring that binds theglobin molecules ; one molecule binds one molecule of oxygen.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a complex red organic pigment containing iron and other atoms to which oxygen binds
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
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Examples
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They put a smaller structure inside it called a heme, a large flat molecule that is the active part of hemoglobin.
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This anti-inflammatory signaling agent upregulates the expression of a gene that encodes for a cell-protective substance called heme oxygenase 1 HO-1.
Forever Young M.D. Nicholas Perricone 2010
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The sphere in the center of the heme is an iron atom.
The Edge of Evolution Michael J. Behe 2007
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The sphere in the center of the heme is an iron atom.
The Edge of Evolution Michael J. Behe 2007
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The sphere in the center of the heme is an iron atom.
The Edge of Evolution Michael J. Behe 2007
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The sphere in the center of the heme is an iron atom.
The Edge of Evolution Michael J. Behe 2007
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Red meat in general also has high levels of a type of iron called heme that, when consumed in high amounts, can increase oxidative stress and lead to chronic inflammation, which can also affect insulin production.
NYT > Home Page By ANAHAD O'CONNOR 2011
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Red meat in general also has high levels of a type of iron called heme that, when consumed in high amounts, can increase oxidative stress and lead to chronic inflammation, which can also affect insulin production.
NYT > Home Page By ANAHAD O'CONNOR 2011
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During sepsis, red blood cells can become injured and leak an iron-based substance called heme that's normally part of the hemoglobin that carries oxygen.
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Meat-derived iron, known as heme iron, is more easily absorbed by the body.
CNN.com 2010
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