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Washington University Experience | INFECTION | Viruses | Polio | 3A1 Polio, inactive, ts, medulla H&E 2X copy
3A1,2 A different case showing neuron loss and astrocytosis of the hypoglossal nucleus (i.e., "bulbar" pathology) resulting from poliomyelitis at the level of the hypoglossal nucleus, seen at higher magnification in #3A2.
