OverviewIslets of Langerhans contain beta cells and are located within the pancreas. Beta cells produce insulin. Insulin is the main hormone in the body that regulates glucose.
Update Date 12/4/2013
Updated by: Neil K. Kaneshiro, MD, MHA, Clinical Assistant Professor of Pediatrics, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Bethanne Black, and the A.D.A.M. Editorial team.