Also found in: Thesaurus, Medical, Encyclopedia.
Related to basal ganglion: Basal nuclei
Any of several masses of gray matter embedded in the cerebral hemispheres that are involved in the regulation of voluntary movement. Also called basal nucleus.
any of several masses of gray matter in the cerebral cortex, involved in the control of movement.
Switch to new thesaurus
|Noun||1.||basal ganglion - any of several masses of subcortical grey matter at the base of each cerebral hemisphere that seem to be involved in the regulation of voluntary movement|
ganglion - an encapsulated neural structure consisting of a collection of cell bodies or neurons
corticospinal tract, pyramidal motor system, pyramidal tract - any of the important motor nerves on each side of the central nervous system that run from the sensorimotor areas of the cortex through the brainstem to motor neurons of the cranial nerve nuclei and the ventral root of the spinal cord
amygdala, amygdaloid nucleus, corpus amygdaloideum - an almond-shaped neural structure in the anterior part of the temporal lobe of the cerebrum; intimately connected with the hypothalamus and the hippocampus and the cingulate gyrus; as part of the limbic system it plays an important role in motivation and emotional behavior
betweenbrain, diencephalon, interbrain, thalmencephalon - the posterior division of the forebrain; connects the cerebral hemispheres with the mesencephalon
claustrum - a layer of grey matter in the brain adjacent to the lenticular nucleus
lenticular nucleus, lentiform nucleus - a basal ganglion shaped like a lens and including the outer reddish putamen and the inner pale yellow pallidum
putamen - the outer reddish part of the lenticular nucleus