A medical term to describe an abnormal builds up of fluid in body tissues usually after injury or infection. Sometimes oedema is visible as swelling in the skin. It is also part of the inflammatory process in MS.
A condition of swelling of tissues. The brain may swell after a severe head injury, and this is a very serious complication necessitating neurosurgical management. The problem is that the swelling, by compressing brain tissue against the skull, or by forcing brain down into the top of the spine can cause death, or further serious brain damage.