title: Electron microscopy of human pancreatic tumors of islet cell origin.
mesh_terms: D007516:Adenoma, Islet Cell / Q000473:pathology*; D000328:Adult; D000368:Aged; D002467:Cell Nucleus; D002923:Cilia; D005260:Female; D006801:Humans; D007515:Islets of Langerhans / Q000166:cytology*; D008297:Male; D008853:Microscopy; D008854:Microscopy, Electron; D008858:Microscopy, Phase-Contrast; D008875:Middle Aged; D015043:Zollinger-Ellison Syndrome / Q000473:pathology*