Figure 5From: Bilateral central pain sensitization in rats following a unilateral thalamic lesion may be treated with high doses of ketamineLocalisation and size of the collagenase lesion. Photomicrograph of a tranverse rat brain section (4 μm) showing a well circumscribed lesion injection in VPL nucleus of the thalamus following a collagenase solution (H&E stain, x12.5). H : hippocampus, LV : lateral ventricle, T : thalamus.Back to article page