The abducens nerve supplies the lateral rectus muscle, which draws the pupil of the eye away from the midline. An almond-shaped structure in the tip of the temporal lobe. Ansa lenticularis loops around the internal capsule on its way from globus palliclus to thalamus. L. aqueductus, a conduit or canal.
Cerebral aqueduct connects the fourth and third ventricles.
Arcuate nucleus of medulla oblongata. Internal arcuate fibers of medulla oblongata. Brachium conjunctivurn, brachium of inferior colliculus, brachium of superior colliculus. Corpus callosum, a massive bundle of myelinated fibers connecting the two cerebral hemispheres. Galen described the corpus callosurn as a firm, tough body.