title: The substructure of crystalloids in secretory granules of dog pancreatic islet B cells.
mesh_terms: D000818:Animals; D003594:Cytoplasmic Granules; D004285:Dogs / Q000033:anatomy & histology*; D004721:Endoplasmic Reticulum; D006056:Golgi Apparatus; D007515:Islets of Langerhans / Q000166:cytology*; D008247:Lysosomes; D008854:Microscopy, Electron