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Fig. 7 | Fluids and Barriers of the CNS

Fig. 7

From: Effect of extradural constriction on CSF flow in rat spinal cord

Fig. 7

CSF tracer distribution around blood vessels at 6 weeks post-surgery. Confocal micrographs of blood vessels in transverse sections taken from animals at 6 weeks post-surgery, sacrificed 20 min after injection of tracer (OA-647) into the cisterna magna. Tracer is localized to a the perivascular space and smooth muscle cell basement membrane of an arteriole located in the central gray matter, b what is presumably the basement membrane of capillaries and c the perivascular space of a venule located in the peripheral white matter. Images are merged micrographs of OA-647 tracer, smooth muscle actin (SMA) and rat endothelial cell antigen (RECA) channels. Scale bars are 20 µm

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