The outer part of the new brain (cerebrum) that enfolds the old brain. The gray matter is 1 to 4 millimeters thick. It reasons, thinks, processes sensory input, and initiates voluntary movement.
« Back to Glossary IndexThe outer part of the new brain (cerebrum) that enfolds the old brain. The gray matter is 1 to 4 millimeters thick. It reasons, thinks, processes sensory input, and initiates voluntary movement.
« Back to Glossary Index