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dorsal nucleus of thalamus


Definition: one of the major subdivisions of the thalamus; the composite dorsal nucleus includes the nucleus lateralis anterior or dorsalis, nucleus lateralis intermedius, nucleus lateralis posterior, and pulvinar; together, these cell groups form most of the free dorsal surface of the posterior half of the thalamus and project to a very large region of parietal, occipitoparietal, and temporal cortex; its afferent connections are largely obscure, but the nucleus lateralis posterior and the pulvinar receive a projection from the superior colliculus.

Synonym(s): nucleus dorsales thalamiTA

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.