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extrapyramidal

American  
[ek-struh-pi-ram-i-dl] / ˌɛk strə pɪˈræm ɪ dl /

adjective

  1. pertaining to or involving nerve tracts other than the pyramidal tracts, especially the corpus striatum and its associated structures.

  2. located outside the pyramidal tracts.

Etymology

Origin of extrapyramidal

extra- + pyramidal

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.