Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun The
component ofhaemoglobin 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
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Examples
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And this leaves just the central core of the haemoglobin called the haem group, which is what's known as a porphyrin ring.
- The Naked Scientists Naked Science Radio Show PODCAST - Stripping Down Science 2010
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Other nutritional virtues include the easily absorbed iron known as "haem" iron.
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"Non-haem" iron from plant foods such as baked beans, nuts, seeds and dark green, leafy vegetables is less well absorbed than "haem" iron in meat.
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Experts suspect that haem, the pigment which gives red meat its color, damages cells in the digestive system, which may lead to cancer.
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Experts suspect that haem, the pigment which gives red meat its color, damages cells in the digestive system, which may lead to cancer.
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Haem iron is only found in animal tissues, non-haem iron is found in grains, fruits, vegetable, legumes, nuts and eggs.
Archive 2007-06-01 2007
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Haem iron is only found in animal tissues, non-haem iron is found in grains, fruits, vegetable, legumes, nuts and eggs.
cas·sou·let 2007
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Haem iron is most readily absorbed by the body and also increases the uptake of non-haem iron.
Archive 2007-06-01 2007
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Haem iron is most readily absorbed by the body and also increases the uptake of non-haem iron.
cas·sou·let 2007
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Most striking was the finding that depletion of haem, and addition of GSSG or dsRNA all seemed to have similar effects on cell-free protein synthesis in the reticulocyte lysate, as though these disparate agents all acted in a similar manner.
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