nsAm_Govt_101RO, nsAm_Govt_101RW
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'''Collagen''' is any of a class of extracellular [[protein]]s abundant in higher [[animals]], forming strong insoluble [[fiber]]s and serving as connective [[tissue]] between [[cell]]s, yielding [[gelatin]] when denatured by boiling. It is widely used in [[cosmetic]] surgery.
'''Collagen''' is any of a class of extracellular [[protein]]s abundant in higher [[animals]], forming strong insoluble [[fiber]]s and serving as connective [[tissue]] between [[cell]]s, yielding [[gelatin]] when denatured by boiling. It is widely used in [[cosmetic]] surgery.
[[Category:Beauty]]
[[Category:Health]]