Heme (redirected from Hæmin)

heme (hem) an iron compound of protoporphyrin which constitutes the pigment portion or protein-free part of the hemoglobin molecule and is responsible for its oxygen-carrying properties.

---

heme (hm)

n.

The deep red, oxygen-carrying, nonprotein, ferrous component of hemoglobin. Also called reduced hematin.

---

Heme

The iron-containing molecule in hemoglobin that serves as the site for oxygen binding.

Mentioned in: Porphyrias, Sickle Cell Disease, Thalassemia

---

heme,

n the pigmented, iron-contain-ing, nonprotein portion of the hemoglobin molecule.

---

heme

the nonprotein, insoluble, iron protoporphyrin constituent of hemoglobin, of various other respiratory pigments, and of many cells, both animal and vegetable. It is an iron compound of protoporphyrin and so constitutes the pigment portion or protein-free part of the hemoglobin molecule, and is responsible for its oxygen-carrying properties.

---

heme pigment nephropathy

see hemoglobinuric nephrosis.

heme synthetase

the rate-controlling enzyme for the synthesis of heme.