Figure 3.
Photomicrographs showing examples of infected neurons in the parvocellular (MVePC) and magnocellular (MVeMC) portions of the contralateral medial vestibular nucleus and nucleus prepositus hypoglossi (PH), from an animal euthanized 96 hrs following PRV-BA injections into the masseter muscle. The area demarked by a box in panel A is shown at higher magnification in panel B. Infected cells are indicated in panel B by arrows; typically an arrow demarks one cell, but labeling was so dense in the ventromedial PH that one arrow identifies a cluster of infected neurons. Abbreviations: 4V, fourth ventricle; LVe, lateral vestibular nucleus. The scale bar represents 500 μm.