See Also: Herbal medicine (botanical medicine, herbology, phytomedicine)(health)
Hemoglobin(medicine)
hemoglobin(encyclopedia)
Hemoglobin(health)
hemoglobin(dictionary)
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Embryonic hemoglobin(health)
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Orthomolecular medicine (orthomolecular nutritional medicine, orthomolecular therapy)(health)
medicine(dictionary)

Hemoglobin (medicine)


hemoglobin -->
haemoglobin
<cell biology, haematology> Four subunit globular oxygen carrying protein of the erythrocytes of vertebrates and some invertebrates.

It is a conjugated protein containing four haem groups and globin. There are two alpha and two beta chains (very similar to myoglobin) in adult humans, the haem moiety (an iron containing substituted porphyrin) is firmly held in a nonpolar crevice in each peptide chain.

There are four globin polypeptide chains, designated alpha, beta, gamma, delta in the adult. Each is composed of several hundred amino acids.