Pronunciation: (kē"mō-pal"i-dek'tu-mē, kem"ō-), [key]
—pl. -mies. Surg.
an operation for treating Parkinson's disease and certain other diseases characterized by muscular rigidity, consisting of destroying a specific part of the corpus striatum by injecting it with a chemical, usually alcohol.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.