collagen


Concise Oxford English Dictionary © 2008 Oxford University Press:
collagen /ˈkɒlədʒ(ə)n/
noun Biochemistry any of a group of insoluble fibrous proteins that constitute the main structural component of animal connective tissue.
– origin C19: from Fr. collagène, from Gk kolla ‘glue’ + Fr. -gène (see -gen).
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