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extrapyramidal

[ek-struh-pi-ram-i-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.
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Origin of extrapyramidal

extra- + pyramidal
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
extrapyramidal in Medicine

extrapyramidal

(ĕk′strə-pĭ-răm′ĭ-dl)
adj.
  1. Relating to or involving neural pathways situated outside or independent of the pyramidal tracts.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.