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ex·tra·py·ra·mi·dal -pə-'ram-əd-əl, -.pir-ə-'mid-əl adj situated outside of and esp. involving descending nerve tracts other than the pyramidal tracts <\extrapyramidal brain lesions>
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ex·tra·py·ram·i·dal (eks″trə-pĭ-ramґĭ-dəl) outside of the pyramidal tracts; see under system.Medical dictionary. 2011.