title: Histopathological and ultrastructural studies on esophageal tumors in rats treated with N-nitrosopiperidine.
mesh_terms: D000284:Administration, Oral; D000818:Animals; D001835:Body Weight; D002273:Carcinogens; D004938:Esophageal Neoplasms / Q000139:chemically induced* / Q000473:pathology*; D004947:Esophagus / Q000473:pathology; D006965:Hyperplasia / Q000139:chemically induced; D008099:Liver; D008113:Liver Neoplasms / Q000139:chemically induced; D008297:Male; D008854:Microscopy, Electron; D009374:Neoplasms, Experimental / Q000139:chemically induced; D009603:Nitroso Compounds; D009929:Organ Size; D010212:Papilloma / Q000139:chemically induced / Q000473:pathology; D010880:Piperidines; D051381:Rats
chemical_list: D002273:Carcinogens; D009603:Nitroso Compounds; D010880:Piperidines