[Structure of collagen].
D000818:Animals; D003094:Collagen; D003238:Connective Tissue / Q000378:metabolism; D003239:Connective Tissue Cells; D005347:Fibroblasts / Q000378:metabolism; D046911:Macromolecular Substances; D008854:Microscopy, Electron; D013194:Staining and Labeling
D046911:Macromolecular Substances; D003094:Collagen
Kollageenin rakenne.