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endostosis

[en-do-stoh-sis, -duh-] /ˌɛn dɒˈstoʊ sɪs, -də-/
noun, Anatomy
1.
bone formation beginning in the substance of cartilage.
Origin
1865-1870
1865-70; end- + ostosis
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for end ostoses

endostosis

/ˌɛndɒsˈtəʊsɪs/
noun (pl) -ses (-siːz)
1.
the conversion of cartilage into bone
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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