| extrapyramidal |
(adjective) : situated outside of and esp. involving descending nerve tracts other than the pyramidal tracts <~ brain lesions>
Ãâó: virtualtrials.com/dictionary.cfm
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| extrapyramidal system |
Refers to central nervous system structures (ie, outside the cerebrospinal pyramidal tracts) that play a role in controlling motor functions. The extrapyramidal system includes substructures of the basal ganglia and the brainstem and interconnections with certain regions of the cerebellum, cerebrum, and other areas of the central nervous system. Extrapyramidal disturbances may result in postural and muscle tone abnormalities as well as the development of certain involuntary movements.
Ãâó: www.dbs-stn.org/glossary1.asp
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| extrapyramidal syndrome |
Abnormalities of movement related to injury of motor pathways other than the pyramidal tract; eg, parkinsonism, akathisia, dystonia, tardive dyskinesia.
Ãâó: depression.about.com/library/glossary/blglossaryin...
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| extrapyramidal |
the motor system related to the basal ganglia.
Ãâó: www.utoronto.ca/neuronotes/NeuroExam/glossary.htm
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| extrapyramidal side effects of medications |
ABBR: EPS. Muscular rigidity, tremor, bradykinesia, and difficulty walking induced by neuroleptic medications; drug-induced parkinsonism.
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