Fig. 2From: The course of facial corticobulbar tract fibers in the dorsolateral medulla oblongataA schematic representation of the classification of the lesion in the horizontal direction. The major anatomical structures at the level of the inferior olivary nucleus and classification of the lesion are described. A, ventral type; A + B, expanded ventral type; C, dorsal type; D, lateral type; A + B + C, extensive typeBack to article page