title: Intermediate cells of the pancreas. I. Ultrastructural characterization.
mesh_terms: D000818:Animals; D001001:Anura; D002462:Cell Membrane; D002645:Chickens; D003594:Cytoplasmic Granules; D004721:Endoplasmic Reticulum; D004792:Enzyme Precursors; D005260:Female; D006041:Goats; D006056:Golgi Apparatus; D006168:Guinea Pigs; D000882:Haplorhini; D006654:Histology, Comparative; D007328:Insulin / Q000378:metabolism; D000078790:Insulin Secretion; D007515:Islets of Langerhans / Q000166:cytology; D008251:Macaca; D008854:Microscopy, Electron; D010179:Pancreas / Q000166:cytology*; D010183:Pancreatic Ducts / Q000166:cytology; D011247:Pregnancy; D011894:Rana pipiens; D051381:Rats
chemical_list: D004792:Enzyme Precursors; D007328:Insulin