title: Some historic and electron microscopic observations on the aged beagle pancreas.
mesh_terms: D000375:Aging; D000818:Animals; D004285:Dogs / Q000033:anatomy & histology*; D050356:Lipid Metabolism; D008247:Lysosomes; D008854:Microscopy, Electron; D010179:Pancreas / Q000166:cytology* / Q000473:pathology