extrapyramidal: Meaning and Definition of

ex•tra•py•ram•i•dal

Pronunciation: (ek"stru-pi-ram'i-dl), [key]
— adj.
  1. pertaining to or involving nerve tracts other than the pyramidal tracts, esp. the corpus striatum and its associated structures.
  2. located outside the pyramidal tracts.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.