ballism

bal·lis·mus

(bal-iz'mŭs), A type of involuntary movement affecting the proximal limb musculature, manifested in jerking, flinging movements of the extremity; caused by a lesion of or near the contralateral subthalamic nucleus. Usually only one side of the body is involved, resulting in hemiballismus. Synonym(s): ballism [G. ballismos, a jumping about]

ballism

An extreme form of CHOREA in which the limbs are flung about violently. It is a disorder of the EXTRAPYRAMIDAL SYSTEM of the brain. STEREOTACTIC SURGERY may be helpful.

单词	ballism
释义	EncyclopediaSeehemiballismus ballism bal·lis·mus (bal-iz'mŭs), A type of involuntary movement affecting the proximal limb musculature, manifested in jerking, flinging movements of the extremity; caused by a lesion of or near the contralateral subthalamic nucleus. Usually only one side of the body is involved, resulting in hemiballismus. Synonym(s): ballism [G. ballismos, a jumping about] ballism An extreme form of CHOREA in which the limbs are flung about violently. It is a disorder of the EXTRAPYRAMIDAL SYSTEM of the brain. STEREOTACTIC SURGERY may be helpful.
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