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. Author manuscript; available in PMC: 2011 Sep 1.
Published in final edited form as: J Comp Neurol. 2010 Sep 1;518(17):3557–3569. doi: 10.1002/cne.22414

Figure 5.

Figure 5

Confocal micrographs of corneal afferents labeled with CTb-ir (red) and VGluT1-ir (green) at the ventrolateral Vc/C1 (A) and Vi/Vc (B) transition regions. CTb-labeled corneal afferent fibers (red) are found in lamina I and II in Vc/C1 and are more dispersed at the rostral Vi/Vc boundary. VGluT1 labeling (green) is found in lamina I and II inner (IIi) in Vc/C1 (A) and diffusely throughout the ventrolateral Vi/Vc (B). CTb-labeled varicosities containing VGluT1-ir are more abundant in Vi/Vc (B). Co-localized profiles appear yellow and a few are indicated by arrows. spV = spinal trigeminal tract. Scale bars = 50 μm.