1. 24 At the gross anatomical level the optic tract can be seen to terminate in a number of discrete relays in the brainstem.

2. The Brachium of superior colliculus (or superior Brachium) is a branch that extends laterally from the superior colliculus, and, passing between the pulvinar and medial geniculate body, is partly continued into an eminence called the lateral geniculate body, and partly into the optic tract.