Main Entry: ex·tra·py·ra·mi·dal Pronunciation: -p&-'ram-&d-&l, -"pir-&-'mid-&l Function:adjective : situated outside of and especially involving descending nerve tracts other than the pyramidal tracts <extrapyramidal brain lesions>
extrapyramidal ex·tra·py·ram·i·dal (ěk'strə-pĭ-rām'ĭ-dl) adj. Relating to or involving neural pathways situated outside or independent of the pyramidal tracts.