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. Author manuscript; available in PMC: 2011 Apr 15.
Published in final edited form as: Glia. 2010 Apr 15;58(6):665–678. doi: 10.1002/glia.20953

Figure 4.

Figure 4

Ultrastructural correlate of the matrix formed by dye-filled OECs. A, Single optical section of a LY-filled OEC. Right panel: lacunae defined by fine interdigitations fitted to elliptical regions of interest (red) used for quantification (see Materials and methods). B, Electron micrograph of the olfactory nerve layer. Blue: contoured glial processes; red asterisks: axon bundles surrounded by glial projections. C, The same contour as in B showing the strategy used to quantify the average diameter of lacunae at the EM level. Maximum and minimum diameters are indicated with perpendicular red lines. D, Histogram showing the average diameter of lacunae measured in confocal single optical sections (black bars) or in electron micrographs (white bars).