collagen
col·la·gen
noun \ˈkä-lə-jən\Definition of COLLAGEN
: any of a group of fibrous proteins that occur in vertebrates as the chief constituent of connective tissue fibrils and in bones and yield gelatin and glue upon boiling with water
— col·lag·e·nous \kə-ˈla-jə-nəs\ adjective
See Origin of COLLAGEN
Greek kolla + International Scientific Vocabulary -gen
First Known Use: circa 1865
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