Skip to Content
Medical Term:

iron

Pronunciation: i'orn, i'ron

Definition: A metallic element, atomic no. 26, atomic wt. 55.847, which occurs in the heme of hemoglobin, myoglobin, transferrin, ferritin, and iron-containing porphyrins, and is an essential component of enzymes such as catalase, peroxidase, and the various cytochromes; its salts are used medicinally. For individual salts not listed here, see ferric and ferrous entries.

[A.S. iren]

© Copyright 2016 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
Hide