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. 2019 Feb 14;6(1):ENEURO.0007-19.2019. doi: 10.1523/ENEURO.0007-19.2019

Figure 7.

Figure 7.

Ultrastructural identification of C-LTMR terminals in the mouse. A, B, Examples of terminals showing preembedding immunoperoxidase labeling for VGLUT3 in lamina IIi of the mouse. As in the rat, peroxidase-labeled terminals were morphologically identical to central terminals of Type II glomeruli. C, D, Lowicryl-embedded dorsal horn section labeled for VGLUT1 using postembedding immunogold labeling. In C, a central terminal of a Type II glomeruli (CII) in lamina IIi devoid of VGLUT1 immunolabeling above background levels is shown. In D, another central terminal of a Type II glomeruli in lamina IIi exhibits strong VGLUT1 immunogold labeling. D, postsynaptic dendrite lacking vesicles; V1, postsynaptic vesicle-containing dendrite; V2, vesicle-containing presynaptic axon. Black and white arrowheads indicate the postsynaptic aspect of asymmetric and symmetric synapses, respectively. Scale bars, 500 nm (A, B) and 500 nm (C, D).