extrapyramidal

adjective

ex·​tra·​py·​ra·​mi·​dal ˌek-strə-pə-ˈra-mə-dᵊl  -ˌpir-ə-ˈmi-dᵊl 

: situated outside of the pyramidal tracts

also : involving descending nerve tracts other than the pyramidal tracts

Word History

First Known Use

circa 1902, in the meaning defined above

Medical Definition

extrapyramidal

adjective

ex·​tra·​py·​ra·​mi·​dal -pə-ˈram-əd-ᵊl  -ˌpir-ə-ˈmid-ᵊl 

: situated outside of and especially involving descending nerve tracts other than the pyramidal tracts

extrapyramidal brain lesions