<Ul> <Li> Alpha cells producing glucagon (20% of total islet cells) </Li> <Li> Beta cells producing insulin and amylin (≈ 70%) </Li> <Li> Delta cells producing somatostatin (<10%) </Li> <Li> PP cells (gamma cells or F cells) producing pancreatic polypeptide (<5%) </Li> <Li> Epsilon cells producing ghrelin (<1%) </Li> </Ul> <Li> Alpha cells producing glucagon (20% of total islet cells) </Li> <Li> Beta cells producing insulin and amylin (≈ 70%) </Li> <Li> Delta cells producing somatostatin (<10%) </Li>

Cells in the islets of langerhans that produce insulin