Lexic.us

Definition of Heme

1. Noun. A complex red organic pigment containing iron and other atoms to which oxygen binds.

Definition of Heme

1. Noun. The component of hemoglobin 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. ¹

¹ Source: wiktionary.com

Definition of Heme

1. a component of hemoglobin [n -S]

Medical Definition of Heme

1. 1. Compounds of iron complexed in a porphyrin (tetrapyrrole) ring that differ in side chain composition. Haems are the prosthetic groups of cytochromes and are found in most oxygen carrier proteins. 2. haem-, eaning relating to blood. Origin: G. Haima (21 Jun 2000)

Lexicographical Neighbors of Heme

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