Haem

Table of contents

1 English 1.1 Noun 1.1.1 Variant spelling 1.2 See also

English

Noun

haem (uncountable)

Variant spelling

heme (US)

1. 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.

See also

• haemoglobin
• bilirubin
• red blood cell
• Wikipedia article on haem