Pancreatic islets by scarce alpha, delta and PP cells in the periphery, human islets display alpha and beta cells in close relationship with each other throughout the cluster. Islets can influence each other through paracrine and autocrine communication, and beta cells are coupled electrically to six to seven other beta cells (but not to other cell types). The paracrine feedback system of the pancreatic islets has the following structure: A large number of G protein-coupled receptors (GPCRs) regulate the secretion of insulin, glucagon and somatostatin from pancreatic islets, and some of these GPCRs are the targets of drugs used to treat type-2
Islets of Mauritius this islet was named after the famous volcano on nearby Réunion. It is thought to have broken away from Île D'ambre. Also known as Île aux deux Cocos, the island, located off the southern coast of Grand Port, is named after the two abandoned coconut plantations it houses. The plantations were set up by the French, but were abandoned after crops were damaged during a lengthy storm in the 18th century. Both of these relatively large islands, lying to the east of Mauritius and considered part of Flacq, become temporarily merged at low tide. The islets are an increasingly popular