title: Distribution, ontogeny and ultrastructure of pancreatic polypeptide (PP) cells in the pancreas and gut of the chicken.
mesh_terms: D000818:Animals; D002454:Cell Differentiation; D002645:Chickens; D007413:Intestinal Mucosa / Q000378:metabolism; D007422:Intestines / Q000166:cytology*; D010179:Pancreas / Q000166:cytology* / Q000378:metabolism / Q000648:ultrastructure; D010191:Pancreatic Polypeptide / Q000378:metabolism*
chemical_list: D010191:Pancreatic Polypeptide