haem


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heme

(hēm)
1. The porphyrin chelate of iron in which the iron is Fe(II) (Fe2+); the oxygen-carrying, color-furnishing, prosthetic group of hemoglobin.
2. Iron complexed with nonporphyrins but related tetrapyrrole structures (e.g., biliverdin heme).
Synonym(s): reduced hematin, haem.
[G. haima, blood]

haem

or

heme

a ring-like chemical structure containing an atom of ferrous iron that is bound as a PROSTHETIC GROUP to each POLYPEPTIDE CHAIN within HAEMOGLOBIN and MYOGLOBIN, giving blood and muscle their characteristic red colour.

haem

iron-containing, oxygen-carrying, red-coloured constituent of haemoglobin

heme

(hēm)
1. The oxygen-carrying, color-furnishing, prosthetic group of hemoglobin.
2. Iron complexed with nonporphyrins but related tetrapyrrole structures.
Synonym(s): reduced hematin, haem.
[G. haima, blood]

haem

see heme.
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References in periodicals archive ?
In this research work, the association between protein intake from haem and non-haem animals and that from plant origin and a series of haematological and biochemical markers relating to low-grade inflammation process was evaluated.
Influence of protein intake from haem and non-haem animals and plant origin on inflammatory biomarkers among apparently-healthy adults in Greece
Although most haem in the body is used in the production of haemoglobin, approximately 20% is used to form a component of enzymes, including cytochrome P450 enzymes that are responsible for metabolising a wide range of drugs and metabolites [Badminton and Elder, 2002].
The dental management of five paediatric patients with a history of acute intermittent porphyria
As shown in the pathway of haem synthesis (Figure 1), pyridoxal phosphate is a cofactor for ALAS.
Sideroblastic anaemia secondary to chronic alcoholism: a case study and review
Dietary iron exists in two forms, haem and non-haem.
Iron
Calcium was also found to be an inhibitor of both haem and non-haem iron.
Evaluation of vegetarian diet
2008, Carnitine-mediated improved response to erythropoietin involves induction of haem oxygenase-1: studies in humans and in an animal model.
The effects of swimming execise at 35[degrees]C water and L-carnitine on blood cells of mice
There are two forms of iron namely haem and non haem iron.
Role of Oxidative Stress and Antioxidants in Children with IDA
The by-product of this process called haem is toxic to the malaria parasites, carried by mosquitoes, however they convert it into the non-toxic form called haemozoin.
Novel 'double whammy' drug may treat malaria
Dietary iron exists in two different forms - haem iron and non-haem iron.
Cereals can help in anaemia fight; Ask Sam YOUR DIET QUERIES
Pb interferes with haem biosynthesis by altering the activity of several mitochondrial and cytosolic enzymes involved in this process.
Potential considerations & concerns in the risk characterization for the interaction profiles of metals
He elucidated its structure, showing that the blood pigment haem bears a structural resemblance to the porphyrin compound found in chlorophyll.
History of analgesia and regional anaesthesia through philately
50) Dietary intakes of alcohol, vitamin C, protein, haem and non-haem iron and fibre were positively associated with iron status.
Nutritional challenges for the elderly

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