title: The endocrine cells of human duodenal mucosa. An electron microscope study.
mesh_terms: D000368:Aged; D002454:Cell Differentiation; D002462:Cell Membrane; D002838:Chromaffin System / Q000166:cytology; D004386:Duodenum / Q000166:cytology*; D004721:Endoplasmic Reticulum; D005260:Female; D006056:Golgi Apparatus; D006801:Humans; D007413:Intestinal Mucosa / Q000166:cytology*; D007515:Islets of Langerhans / Q000166:cytology; D008297:Male; D008854:Microscopy, Electron; D008875:Middle Aged; D008928:Mitochondria