title: OPT-reactive cells and gastrin cells in the digestive tract of the chicken.
mesh_terms: D000447:Aldehydes; D000818:Animals; D002645:Chickens / Q000033:anatomy & histology*; D004064:Digestive System / Q000166:cytology*; D004068:Digestive System Physiological Phenomena; D005453:Fluorescence; D005470:Fluorometry; D005753:Gastric Mucosa / Q000166:cytology / Q000502:physiology; D005755:Gastrins / Q000502:physiology*; D008407:Mast Cells / Q000502:physiology; D010795:Phthalic Acids / Q000031:analogs & derivatives*
chemical_list: D000447:Aldehydes; D005755:Gastrins; D010795:Phthalic Acids