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. Author manuscript; available in PMC: 2021 Jun 1.
Published in final edited form as: Exp Neurol. 2020 Mar 3;328:113272. doi: 10.1016/j.expneurol.2020.113272

Figure 7. BNB tight junction ultrastructure in GBS (AIDP) and CIDP.

Figure 7.

Composite digital electron ultramicrographs demonstrate structurally intact, apical membrane localized, electron dense intercellular tight junctions (solid white arrows) between endoneurial endothelial cells within the inflammatory milieu in severely affected GBS (A) and CIDP (B) patient sural nerve biopsies. RBC indicates luminal red blood cells and P indicates pericytes and their cytoplasmic projections surrounding these endoneurial microvessels. Scale bar = 2.5 μm.