This is an alternate content page containing a Hot Spot Explore Activity. It has opened in a new window.
The activity has an image with defined hotspot areas. The hotspot areas in the image are labeled as:

Trochlear Nerve (CN IV, motor to Superior Oblique)
Periaqueductal Grey (PAG)
Raphe Nucleus
Spinothalamic Tract
Pontocerebellar Fibers
Corticospinal Tract
Median Longitudinal Fasciculus
Superior Cerebellar Peduncle (Brachium Conjunctivum)
Lateral Lemniscus
Central Tegmental Tract
Pontine Gray
Medial Lemniscus