lentiform nucleus


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Related to lentiform nucleus: claustrum, corpus striatum

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.]
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
References in periodicals archive ?
Fairly well circumscribed abnormal signals involving cortex and white matter are noted in left frontal lobe extending into left lentiform nucleus, in territory of left MCA.
One of the early CT findings in acute Middle Cerebral Artery (MCA) infarction is that of obscuration of lentiform nucleus, which is due to cellular oedema in the basal ganglia.
The lesion involved the posterior aspect of the left lentiform nucleus, the posterior aspect of left internal capsule, the insula, and the external capsule.
Figure-3: Subtle increased signal in bilateral caudate and lentiform nucleus (green arrow) and subcortical ribboning (red arrow) on DWI.
Signs of acute infarction include obscuration of normal brain structures, such as the insular ribbon (2) and lentiform nucleus, (3) hyperdense artery, (4) or in less acute cases, parenchymal hypodensity and mass effect (Figure 1).