D cells of pancreas secrete: September 2012
Ans. C i.e. SomatostatinPancreasIt is a dual-function gland, having features of both endocrine and exocrine glands.The pa of the pancreas with endocrine function is made up of approximately a million cell clusters called islets of Langerhans.Four main cell types exist in the islets. They can be classified by their secretion:- Alpha cells secrete glucagon (increase glucose in blood),- Beta cells secrete insulin (decrease glucose in blood),Delta cells secrete somatostatin (regulates/stops alpha and beta cells) and- PP cells, or gamma cells, secrete pancreatic polypeptide
Glucagon
Insulin
Somatostatin
Pancreatic polypeptide