iron (Fe)Type: Term
Pronunciation: ī′ŏrn, ī′rŏn
1. 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 below, see ferric and ferrous entries.
The information shown above for iron is provided by Stedman's.
* Stedman's, part of Lippincott Williams & Wilkins, provide a comprehensive line of health-science publications for healthcare professionals and medical students.