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Fig. 16 | Acta Neuropathologica Communications

Fig. 16

From: Low-level blast exposure disrupts gliovascular and neurovascular connections and induces a chronic vascular pathology in rat brain

Fig. 16

Chronic vascular pathology in blast-exposed rats revealed by micro-CT scanning. Two control and two blast-exposed rats were transcardially perfused with the Brite Vu contrast agent at 10 months after blast exposure. Brains were scanned at a resolution of 7.5 μm using equispaced angles of view around 360°, and 3D reconstructions were prepared with Bruker’s CTVox 3D visualization software. a-d MIP images of volume-rendered brain vasculature from two control (a, b) and two blast-exposed (c, d) rats revealed diffuse thinning of the brain vasculature in the blast-exposed rats. Scale bar, 2 mm. e-h Trace sagittal reconstructions used for the automated quantitation from control (e-f) and blast-exposed rats (g-h) o-p Higher magnification views of the regions outlined by the boxes in panels (f) and (h). Scale bars, 1 mm for (e-h), and 0.6 mm for (o-p). i-n Reconstructions of coronal optical sections from the brains of control (i, k) and blast-exposed (j, l) animals. Panels (i) and (j) correspond approximately to coordinates interaural 12.24–9.48 mm and panels (k) and (l) correspond approximately to coordinates interaural 6.94–3.24 mm. Lateral views of (i) and (j) are shown in (m) and (n), respectively. Vessels were color coded to allow visualization of individual vessels automatically traced by the Vesselucida 360 software. Note the general loss of radial organization in the blast-exposed shown in panel (j). Scale bar, 1 mm for (i-n)

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