Immunohistochemically , the distribution of PTV antigens corresponded closely with the distribution of brain lesions .
PTV particles were detected via electron microscopy in the cytoplasm of nerve cells and the endothelial cells of blood vessels in the spinal cord of inoculated pigs .
Immunohistochemically , the distribution of PTV antigens corresponded closely with the distribution of brain lesions .
PTV particles were detected via electron microscopy in the cytoplasm of nerve cells and the endothelial cells of blood vessels in the spinal cord of inoculated pigs .