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. 2019 Apr;60(5):1630–1643. doi: 10.1167/iovs.18-26011

Figure 2.

Figure 2

Types of connections between IW endothelium (red) of SC and underlying JCT cells (green)/ECM. Cell-to-cell (arrows) and cell-to-ECM (arrowheads) connections between the IW endothelium and JCT cells or ECM were categorized into seven types based on SBF-SEM images and 3D reconstructions. Type 1 shows the IW cell extending a cytoplasmic process to underlying ECM (and not to any cell bodies of JCT): Type 1: IW process-to-JCT ECM; types 2 through 7 are between an IW and JCT cell; type 2: IW process-to-JCT cell body; type 3: IW tongue-in-JCT groove; type 4: IW process-to-JCT process; type 5: JCT process-to-IW body; type 6: JCT tongue-in-IW groove, type 7: IW body-to-JCT body.