meningesListen to pronunciation(meh-NIN-jeez)The three thin layers of tissue that cover and protect the brain and spinal cord.Enlarge this image in new windowAnatomy of the brain, showing the cerebrum, cerebellum, brain stem, and other parts of the brain.Search NCI's Dictionary of Cancer TermsStarts withContainsBrowse:ABCDEFGHIJKLMNOPQRSTUVWXYZ#