title: Cytology, cytochemistry and ultrastructure of glucagon-secreting cells.
mesh_terms: D000818:Animals; D002417:Cattle; D005753:Gastric Mucosa / Q000166:cytology; D005934:Glucagon / Q000378:metabolism*; D006168:Guinea Pigs; D006651:Histocytochemistry; D006736:Horses; D006801:Humans; D007515:Islets of Langerhans / Q000166:cytology*; D008854:Microscopy, Electron; D013194:Staining and Labeling; D013552:Swine
chemical_list: D005934:Glucagon