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Pronunciation: pul-vi'nar

Definition: The expanded caudal extremity of the thalamus that forms a cushionlike prominence overlying the geniculate bodies. This structure, collectively called nuclei pulvinares [TA] (pulvinar nuclei [TA]), is a composite cell group made up of anterior, inferior, lateral, and medial nuclei.

[L. a couch made from cushions, fr. pulvinus, cushion]

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