The demonstration of beta cells in pancreatic islets and their tumors.
D004396:Coloring Agents; D006652:Histological Techniques; D050417:Insulin-Secreting Cells; D062312:Islands; D007515:Islets of Langerhans / Q000033:anatomy & histology*; D009369:Neoplasms; D013194:Staining and Labeling
D004396:Coloring Agents
ISLANDS OF LANGERHANS/anatomy and histology; STAINS AND STAINING