siderosis Accumulation of the iron‐storage protein, haemosiderin, in liver, spleen, and bone marrow in cases of excessive red cell destruction and on diets exceptionally rich in iron. It is common among the Bantu, apparently owing to intakes of about 100 mg of iron daily from iron cooking pots and pombé. See also haemochromatosis; iron storage.

siderosis (sid-er-oh-sis) n. the deposition of iron oxide dust in the lungs, occurring in silver finishers, arc welders, and haematite miners. Pulmonary fibrosis may develop if fibrogenic dusts such as silica are also inhaled.