Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun The component of haemoglobin 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.

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

Sorry, no etymologies found.

Examples

  • 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

  • Other nutritional virtues include the easily absorbed iron known as "haem" iron.

    Top stories from Times Online

  • "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.

    Top stories from Times Online

  • Experts suspect that haem, the pigment which gives red meat its color, damages cells in the digestive system, which may lead to cancer.

    Cut red meat to lower cancer risk

  • Experts suspect that haem, the pigment which gives red meat its color, damages cells in the digestive system, which may lead to cancer.

    Cut red meat to lower cancer risk

  • 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

  • Haem iron is only found in animal tissues, non-haem iron is found in grains, fruits, vegetable, legumes, nuts and eggs.

    cas·sou·let

  • Haem iron is most readily absorbed by the body and also increases the uptake of non-haem iron.

    Archive 2007-06-01

  • Haem iron is most readily absorbed by the body and also increases the uptake of non-haem iron.

    cas·sou·let

  • 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.

    Tim Hunt - Autobiography

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