Projecting from the inferior colliculus is a large bundle of fibers (Brachium of Inferior Colliculus) that lies just ventral to the superior colliculus and is seen here bulging from the brainstem surface. The course is directly to the medial geniculate body.

• Projecting from the inferior colliculus is a large bundle of fibers (Brachium of Inferior Colliculus) that lies just ventral to the superior colliculus and is seen here bulging from the brainstem surface. The course is directly to the medial geniculate body.