lentiform nucleus

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lentiform nucleus

n.
The large, cone-shaped mass of gray matter that forms the central core of the cerebral hemisphere, whose outermost convex base is formed by the putamen and whose innermost apical part consists of the globus pallidus. Also called lenticular nucleus.

[From its somewhat biconvex appearance when viewed from certain angles.]
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.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.lentiform nucleus - a basal ganglion shaped like a lens and including the outer reddish putamen and the inner pale yellow pallidum
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
globus pallidus, paleostriatum, pallidum - the inner pale yellow part of the lenticular nucleus
putamen - the outer reddish part of the lenticular nucleus
corpus striatum, striate body, striatum - a striped mass of white and grey matter located in front of the thalamus in each cerebral hemisphere; consists of the caudate nucleus and the lenticular nucleus
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
These are seen as increased signal intensity in bilateral lentiform nuclei on T1W images (manganese deposition in the globus pallidi) and cerebral atrophy.
One case had bilateral basal ganglia involvement and the other had bilateral symmetric T2WI and FLAIR hyperintensities in bilateral caudate nuclei, lentiform nuclei, ventrolateral thalami, mid brain, periaqueductal gray matter and the pons.
Brain computed tomography (CT) showed symmetrical hypodensities in the caudate nuclei and magnetic resonance imaging (MRI) showed an increased signal on T2-weighted/fluid attenuation inversion recovery (FLAIR) sequences in the same region, although extending to involve the anterior lentiform nuclei (Fig.