- any of several masses of gray matter in each cerebral hemisphere.
Origin of basal ganglion
First recorded in 1910–15
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- the thalamus together with other closely related masses of grey matter, situated near the base of the brain
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
- The caudate and lentiform nuclei of the brain and the cell groups associated with them, considered as a group.
- All of the large masses of gray matter at the base of the cerebral hemisphere. No longer in technical use.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.