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The collagen of bones.‘Colla cornus cervi, which contains a large amount of ossein and Ca. + +, plays an important role in preventing bone destruction.’‘The plant will have the licenced capacity to process 13,000 tonnes of crushed animal bones into 3000 tonnes of ossein and 6000 tonnes of dicalcium phosphate.’
Mid 19th century from Latin osseus ‘bony’ + -in.
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