internal capsule

(redirected from capsula interna)
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internal capsule

[in′tərn·əl ′kap·səl]
(neuroscience)
A layer of nerve fibers on the outer side of the thalamus and caudate nucleus, which it separates from the lenticular nucleus.
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Key words: Restless Legs Syndrome, stroke, capsula interna infarction, cranial magnetic resonance imaging.
Magnetic resonance imaging (MRI) of the brain and cervical spinal cord demonstrated increased intensity on FLAIR and T2-weighted images of bilateral periventricular and superficial white matter, posterior limb of capsula interna and corpus callosum (Figure 1, 2, 3, 4).
2]-weighted cerebral MRI showed a hyper-intense lesion located on the posterior genu of capsula interna extending through lentiform nucleus to thalamus (Fig.