What are the meninges?

The the meninges is called the meninges. Gray's Anatomy (1918) describes it as three connective-tissue membranes that surround the brain and spinal cord.

What it is

  • Three connective-tissue membranes that surround the brain and spinal cord.
  • Named (from outside in) dura mater, arachnoid mater, and pia mater.
  • Protect the central nervous system and enclose the cerebrospinal fluid.

Where it is

  • Between the bone of the skull or vertebral canal and the brain or spinal cord.
  • Continuous around the entire central nervous system.
  • The cerebrospinal fluid lies between the arachnoid and pia.

Source:

Last verified: 2026-07-18

  • Best Anatomy Answers is an educational reference about human anatomy. It is not medical advice — for any health concern, talk to a licensed medical professional.

View as .md