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. 1997 Oct 1;17(19):7503–7522. doi: 10.1523/JNEUROSCI.17-19-07503.1997

Fig. 13.

Fig. 13.

Electron micrographs showing immunoreactivity for mGluR8 in the dentate molecular layer (A, B, D) and CA2 stratum oriens (C). Peroxidase reaction product is accumulated in axon terminals, which make asymmetrical synapses on spines (s in A) or dendrites (Den in B; D1 inD) or a symmetrical synapse on a soma (Soin C). Inset in Bindicates immunogold labeling for mGluR8 concentrated in presynaptic membrane specialization. Most of the asymmetrical synapses on the dendritic profile are labeled in B. The axon terminal inD makes a labeled asymmetrical synapse on a dendrite (D1) and an unlabeled asymmetrical synapse on another dendrite (D2). Scale bar, 0.5 μm.