Fig. 11. Spaced serial coronal sections showing the location of brainstem and midbrain neurons retrogradely labeled after injection of Fluororuby dextran amine into the lumbar spinal cord of adult Monodelphis. The series on the leftis from an animal in which the spinal cord was crushed on P7; on theright is an unoperated control. Inset, Micrographs show retrogradely labeled neuronal somata in the lateral vestibular nucleus (LV). Magnification, 5 × bar). CG, Midbrain central gray; DK, nucleus Darkschewitsch; DR, dorsal medullary reticular field; EW, Edinger Westphal nucleus; GR, gigantocellular reticular nucleus; IR, intermediate medullary reticular field; IN, interstitial nucleus of the medial longitudinal fasciculus; LC, locus coeruleus;LT, lateral tegmental area; RM, raphe magnus; RN, red nucleus; VR, ventral medullary reticular nucleus.