Overview
The brain is that part of the central nervous system contained in the skull and is composed of cerebrum, cerebellum, pons, and medulla oblongata.
Review Date 11/10/2024
Updated by: Jatin M. Vyas, MD, PhD, Roy and Diana Vagelos Professor in Medicine, Columbia University Vagelos College of Physicians and Surgeons, Division of Infectious Diseases, Department of Medicine, New York, NY. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.