 In this case they are fibers of asbestos coated with an iron-rich material derived from proteins such as ferritin and hemosiderin.Ferruginous bodies are believed to be formed by macrophages that have phagocytosed and attempted to digest the fibers.Ramón Zaydín

Ramón Zaydín y Márquez Sterling (1895–1968) was a Cuban politician and Prime Minister of Cuba.