extrapyramidal

ex·tra·py·ram·i·dal

 (ĕk′strə-pĭ-răm′ĭ-dl)

adj.

Relating to or involving neural pathways situated outside or independent of the pyramidal tracts.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

extrapyramidal

(ˌɛkstrəpɪrəˌmɪdəl; ˌɛkstrəpɪˈræmɪdəl)

adj

outside the pyramidal tract

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

ex•tra•py•ram•i•dal

(ˌɛk strə pɪˈræm ɪ dl)

adj.

1. pertaining to nerve tracts other than the pyramidal tracts, esp. the corpora striata and their associated structures.

2. located outside the pyramidal tracts.

[1900–05]

Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.