ossein


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os·se·in

 (ŏs′ē-ĭn)
n.
The collagen component of bone.

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]

os•se•in

(ˈɒs i ɪn)

n.
the collagen of bone.
[1855–60; < Latin osse(us) osseous]
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