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[mass noun] A protein produced in mammalian metabolism which serves to store iron in the tissues.
- ‘These mice also had high blood levels of the iron storage protein ferritin.’
- ‘To trigger living cells into producing their own contrast agent, Ahrens gave them a gene that produces a form of ferritin, a protein that normally stores iron in a non-toxic form.’
- ‘High concentrations of the iron carrying protein ferritin are a marker of haemochromatosis.’
- ‘At baseline, serum ferritin and antithyroid peroxidase antibodies were measured and a thyrotrophin releasing hormone test was performed.’
- ‘Several detailed studies were carried out with the proteins lysozyme and ferritin.’
1930s: from ferri- + -t- (for ease of pronunciation) + -in.
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