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. Author manuscript; available in PMC: 2016 Jan 29.
Published in final edited form as: Neuroscience. 2014 Nov 4;0:166–193. doi: 10.1016/j.neuroscience.2014.10.057

Fig. 12.

Fig. 12

Low and high magnification stereoscopic images of ca. 20 inhibitory synapses (GABAergic and probable glycinergic) tightly localized on an unidentified neuron in goldfish vagal lobe (dorsal surface of hindbrain). Most excitatory and inhibitory chemical synapses create 0.5 μm- to 1 μm-diameter cuplike indentations of the somatic and dendritic plasma membrane (A; enlarged in B), but some form flattened appositions (B) having P-face particle clusters that represent primarily GABA receptors (Kasugai et al., 2010) and possibly glycine receptors. Two active zones (not colored) overlie P-face PSDs (yellow overlays at upper right). Barred circles designate gold beads on the top of the replica, thereby representing positively-identified background “noise”, which is minimal in all images shown. Calibration bars = 0.1 μm.