Final answer:
The term that means pertaining to the brain and spinal cord is cerebrospinal.
Step-by-step explanation:
The term that means pertaining to the brain and spinal cord is cerebrospinal. The brain and spinal cord are protected by the meninges, a three-layer membrane, and are further cushioned by cerebrospinal fluid. This fluid is produced by the brain and provides extra protection for the central nervous system.