Table 2.

Collagens organized by their subtype and tissue of origin [52]

Subtype	Collagen	Tissue of origin
Fibril-forming	I II III V XI XXIV XXVII	Bone, cartilage, skin, tendon Cartilage, vitreous body Blood vessels, bone, skin Blood vessels, bone, cornea, placenta, skin, tendon Cartilage, placenta, tendon Bone, cornea Cartilage
Network-forming	IV VIII X	Basement membrane, blood vessels, connective tissue Calcifying cartilage
Beaded-filament	VI XXVI XXVIII	Bone, cartilage, cornea, skin, Ovary, testis Basement membrane
Anchoring	VII	Basement membrane
Transmembrane	XIII XVII	Cell junctions Hemidesmosomes
FACITs	IX XII XIV XVI XIX XX XXI XXII	Cartilage, vitreous body Connective tissue Connective tissue Cartilage, papillary dermis, placenta Basement membrane, Widespread Widespread Tissue junctions