Fe(II) = FERROUS COMPOUNDS, Fe(III) = FERRIC COMPOUNDS; /defic: permitted but consider ANEMIA, IRON DEFICIENCY; pneumoconiosis caused by iron particles = SIDEROSIS; /metab: consider also IRON OVERLOAD; metabolic disorders = IRON METABOLISM DISORDERS

A metallic element with atomic symbol Fe, atomic number 26, and atomic weight 55.85. It is an essential constituent of HEMOGLOBINS; CYTOCHROMES; and IRON-BINDING PROTEINS. It plays a role in cellular redox reactions and in the transport of OXYGEN.

/metabolism was IRON METABOLISM 1963-65