Fig. 3. Organization of oculomotor nuclear complex viewed from above, left posterior. E-W, Edinger-Westphal parasympathetic subnucleus; subnuclei IR, inferior rectus; IO, inferior oblique; MR, medial rectus. Note that SR, superior rectus motor pool, is crossed, as is SO, superior oblique; CCN, caudal nucleus to both lid levators; LR, abducens nucleus for lateral rectus (Adapted Warwick R: Representation of the extra-ocular muscles in the oculomotor complex. J Comp Neurol 98:449, 1953)