Endothelial transmigratory cup formation.

Electron micrographs and cartoons of transmigrating wild-type neutrophils where the endothelium forms a transmigratory cup (A, B and C). The arrowheads mark the junctions and L marks the lumen of the blood vessel. e1, e2 and n represent individual endothelial cells and neutrophils respectively. The bar corresponds to 1 µm.



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