hemiballismus

noun
hemi·​bal·​lis·​mus | \ ˌhem-i-ba-ˈliz-məs How to pronounce hemiballismus (audio) \
variants: also hemiballism \ -​ˈbal-​iz-​əm How to pronounce hemiballism (audio) \

Medical Definition of hemiballismus

: violent uncontrollable movements of one lateral half of the body usually due to a lesion in the subthalamic nucleus of the contralateral side of the body

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