Fig. 34. Parasagittal section through the primate brainstem. Mammilary body (mb); inferior colliculus (ic); interstitial nucleus of Cajal (iC); medial longitudinal fasciculus (MLF); mesencephalic reticular formation (MRF); nucleus of Darkschewitsch (nD); para-median pontine reticular formation (PPRF); rostral interstitial nucleus of the medial longitudinal fasciculus (rostral iMLF); superior colliculus (sc); vestibular nuclei (vn).