Level of the Superior Colliculus and the Red Nucleus

A. Cerebral Aqueduct
B. Red Nucleus
C. Interpeduncle Fossa
D. Oculomotor Nucleus
E. Superior Colliculus
F. Tectum
G. Lateral Lemniscus
H. Thalamus (Medial Genculata Nucleus)
I. Substantia Nigra
(pars compacta)
J. Substantia Nigra
(pars reticularis)
K. Oculomotor Fibers
L. Periaqueductal Gray Matter
M. Anterolateral System
N. Medial Lemniscus
O. Parieto-occopitotemporal Pontine Fibers
P. Corticospinal Tract
Q. Corticobulbar Tract
R. Frontopontine Fibers