ossein
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os·se·in
(ŏs′ē-ĭn)n.
The collagen component of bone.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ossein
(ˈɒsɪɪn)n
(Biochemistry) a protein that forms the organic matrix of bone, constituting about 40 per cent of its matter
[C19: from Latin osseus bony, from os bone]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
os•se•in
(ˈɒs i ɪn)n.
the collagen of bone.
[1855–60; < Latin osse(us) osseous]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.