Islets of Langerhans contain beta cells and are located within the pancreas. Beta cells produce insulin, which is needed to metabolize glucose within the body.
Reviewed last on: 5/20/2009
David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc. Also reviewed by Deborah Wexler, MD, Assistant Professor of Medicine, Harvard Medical School, Endocrinologist, Massachusetts General Hospital.