title: The relation between villus formation and the pattern of extracellular fibers as seen by scanning microscopy.
mesh_terms: D000818:Animals; D002642:Chick Embryo / Q000254:growth & development; D003094:Collagen / Q000096:biosynthesis; D004386:Duodenum / Q000196:embryology* / Q000648:ultrastructure; D005110:Extracellular Space; D007413:Intestinal Mucosa / Q000196:embryology* / Q000648:ultrastructure; D008855:Microscopy, Electron, Scanning; D009024:Morphogenesis
chemical_list: D003094:Collagen