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. 2014 Sep 10;6:262–274. doi: 10.1016/j.nicl.2014.09.002

Fig. 1.

Fig. 1

Schematic drawing of the neurovascular unit. The BBB is formed by endothelial cells that line brain capillaries and are sealed by tight junctions. Astrocytes, pericytes, microglial cells and basement membranes interact with the endothelium of the BBB, providing functional and structural support.