Definitions for "Arachnoiditis"
Keywords:  equina, cauda, spinal, cord, membrane
Inflammation and thickening of the arachnoid membrane (one of three membranes covering the central nervous system) around nerve roots.
This is active inflammation of the membranes which surround the spinal cord. By common usage it has come to refer to dense scar tissue that forms around the nerves, inside the spine, as a result of an earlier episode of inflammation.
inflammation of the arachnoidea.