Ansa lenticularis

The superior layer of the substantia innominata of Meynert is named the ansa lenticularis (ansa lentiformis in older texts), and its fibers, derived from the medullary lamina of the lentiform nucleus, pass medially to end in the thalamus and subthalamic region, while others are said to end in the tegmentum and red nucleus.

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It is classified by NeuroNames as part of the subthalamus.

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.