Fig. 1From: VGLUT1 or VGLUT2 mRNA-positive neurons in spinal trigeminal nucleus provide collateral projections to both the thalamus and the parabrachial nucleus in ratsPhotomicrographs of a section through the middle level of a TMR injection site in the right side of the thalamus, involving the VPM and Po (a), and an FG injection site in the left side of the PBN (b) in R7. Scale bar 500 μm (a); 300 μm (b)Back to article page