title: Ultrastructural aspects of the pancreatic islets in carps of spontaneous diabetes mellitus.
mesh_terms: D000820:Animal Diseases / Q000473:pathology*; D000818:Animals; D003530:Cyprinidae; D003594:Cytoplasmic Granules; D003920:Diabetes Mellitus / Q000473:pathology* / Q000662:veterinary*; D005260:Female; D005393:Fish Diseases / Q000473:pathology; D007515:Islets of Langerhans / Q000166:cytology*; D008297:Male; D008854:Microscopy, Electron