Medical Dictionary

hemiballismus

noun hemi·bal·lis·mus \ ˌhem-i-ba-ˈliz-məs \
variants: also hemiballism play \-ˈbal-iz-əm\

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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