title: Special form of collagen fibrils.
mesh_terms: D000818:Animals; D002645:Chickens; D003094:Collagen / Q000032:analysis*; D004388:Dura Mater / Q000032:analysis; D005260:Female; D006801:Humans; D008854:Microscopy, Electron; D010521:Periosteum / Q000032:analysis; D051381:Rats
chemical_list: D003094:Collagen