Last Updated on Apr 28, 2015

Glossary

Cyst It is a closed tissue that may contain pus, air, fluid, or other material.

Arachnoid membrane It is one of the 3 membranes that protects the brain and spinal cord.

Intradural Located between or within the dura mater (the outermost membrane of the brain).

Extradural Located outside the dura mater.

Most Popular on Medindia