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pulvinar

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pulvinar /pul·vi·nar/ (pul-vi´nar) the prominent medial part of the posterior end of the thalamus.
pul·vi·nar (pl-vnr)
n.
The posterior extremity of the thalamus, forming a cushionlike prominence over the posterior aspect of the internal capsule.

pulvinar [pul-vi´nar]
the prominent, cushionlike mass of nuclei that forms the medial portion of the posterior extremity of the thalamus, which partly overhangs the rostral colliculus and its brachium and is separated inferiorly from the geniculate body by the brachium of the rostral colliculus; it receives fibers from other thalamic nuclei and gives off widespread cortical projections.

pulvinar
the posterior medial part of the posterior end of the thalamus.

pulvinar 
The prominence of the posterior portion of the thalamus overlapping the superior colliculus. It receives projections from the auditory, somatosensory and visual cortex regions. It is involved in visual attention, suppression of irrelevant stimuli and utilizing information to initiate eye movements.


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Given these relatively distinct features, demarcating the external borders of the MD presented no serious problem, except perhaps for the most posterior level of the MD, adjacent to the anterior part of the pulvinar, where the IML breaks up into clustered aggregates that invade the MD.
A more anterior part, as well as the pulvinar (posterior) part of the dominant hemispheric thalamus has also been associated with language disturbances (Penfield & Roberts, 1959).
An electroencephalogram evaluation showed no abnormalities, but a brain magnetic resonance imaging (MRI) study showed the characteristic signal abnormalities in the pulvinar and metathalamic regions suggestive of vCJD.
 
 
 
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