Figure 4
From: The problem of axonal injury in the brains of veterans with histories of blast exposure
APP (+) axonal abnormalities in the frontal lobe of a representative patient without history of blast who died as a result of opiate overdose (Case 9, Table 1 ). Although there are occasional clusters of axonal swellings (arrows, a), most cases of observed abnormalities are less conspicuous (arrows, b). Insets represent magnifications of areas marked with an asterisk. Size bars: 10 μm.