Immunogold micrographs showing that 6 nm gold particles are found only at the junctions between Type II cells and nerve processes. The colloidal gold particles are marked by transparent red dots. A and B: Gold particles are concentrated near the membrane of nerve processes (N) in close apposition with Type II cells (Nu). m: mitochondria. Scale bars = 0.2 μm.
Yang et al. BMC Neuroscience 2012 13:51 doi:10.1186/1471-2202-13-51