Answer: ferritin

AnswerCrossword Clue
ferritina protein that contains iron
ferritina crystalline iron-containing protein that functions in the storage of iron and is found especially in the liver and spleen
ferritinamber-colored, crystalline protein, found in the liver, spleen, and bone marrow, that consists of apoferritin combined with a ferric hydroxide-ferric phosphate complex and that stores iron for use in metabolism