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Medical Term:

principal olivary nucleus


Definition: the largest part of the inferior olivary complex, consisting of an undulating layer of cells formed by a posterior (dorsal) lamella [TA] (lamella posterior [TA]) and an anterior (ventral) lamella [TA] (lamella anterior [TA]) connected with each other laterally by a lateral lamella [TA] (lamella lateralis [TA]). The medially directed opening of this continuous cell layer is the hilum.

Synonym(s): nucleus olivaris principalisTA

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