Loop-shaped wire bundle of the lens core

Ansa lenticularis

The bundle of wire starts from the GPi, makes its way through the capsula interna and into the H-field of the subthalamus area where it turns off to the H1 field and mixes with the fasciculus lenticularis. The two bundles of filaments form the fasciculus thalamicus, which mainly seeks out the thalamus nuclei VA and VL.