In the cerebrum, which matter is located on the outside?

In the cerebrum, which matter is located on the outside?

• A. Gray outside
• B. White outside
• C. Gray inside
• D. White inside

Answer: (A)

The outer surface of the cerebrum is gray matter, forming the cerebral cortex where neuron cell bodies reside and many processing tasks occur. Beneath this layer lies white matter, made up of myelinated axons that connect different cortical areas and link the cerebrum with other brain parts. So the correct description is gray matter on the outside. White matter on the outside would misrepresent the brain’s arrangement, and gray matter on the inside would imply the cortex is buried inward, which isn’t how the cerebrum is organized.

The outer surface of the cerebrum is gray matter, forming the cerebral cortex where neuron cell bodies reside and many processing tasks occur. Beneath this layer lies white matter, made up of myelinated axons that connect different cortical areas and link the cerebrum with other brain parts. So the correct description is gray matter on the outside. White matter on the outside would misrepresent the brain’s arrangement, and gray matter on the inside would imply the cortex is buried inward, which isn’t how the cerebrum is organized.