pallidotomy
noun
pal·li·dot·o·my ˌpa-li-ˈdä-tə-mē 
plural pallidotomies
: the surgical inactivation of a part of the basal ganglia in the treatment of involuntary movements (as in Parkinson's disease)
Word History
Etymology
pallido- (combining form from New Latin globus pallidus "a structure within the corpus striatum of the brain," literally, "pale globe") + -tomy
First Known Use
1951, in the meaning defined above
Medical Definition
pallidotomy
noun
pal·li·dot·o·my ˌpal-i-ˈdät-ə-mē
plural pallidotomies
: the surgical inactivation of the globus pallidus or a part of it in the treatment of involuntary movements (as in Parkinson's disease)