Noun: heme heem
Usage: N. Amer (elsewhere: haem)
Usage: N. Amer (elsewhere: haem)
- A complex red organic pigment containing iron and other atoms to which oxygen binds
"Heme is a crucial component of hemoglobin";
- haem [Brit, Cdn], hematin [N. Amer], protoheme, haematin [Brit, Cdn]
Derived forms: hemes
Type of: pigment
Part of: cytochrome, haemoglobin [Brit, Cdn], Hb, hemoglobin [N. Amer], myoglobin
Encyclopedia: Heme