Absorption of dietary iron is regulated by _____, produced by the liver when iron stores are high and released to the blood to act at the surface of enterocytes and macrophages.

Question

Quizplus · Accepted Answer

Hepcidin is a hormone produced by the liver that regulates iron absorption and distribution in the body. It is released when iron stores are high and acts to decrease iron absorption by binding to ferroportin on enterocytes and macrophages, leading to its degradation.

Absorption of Dietary Iron Is Regulated by _____, Produced by the Liver