D cells of Islet of Langerhans of pancreas secrete?
Ans. D SomatostatinRef: Ganong, 25th ed. pg. 154Somatostatin is found in the D cells of pancreatic islets. It inhibits the secretion of insulin, glucagon, and pancreatic polypeptide and may act locally within the pancreatic islets in a paracrine fashion.
Insulin
Glucagon
Gastrin
Somatostatin
G.I.T.