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Characterization of sprouting propensity. (A) Immunofluorescent images of instances of sprouting on all pattern sizes; VEcad in red, PDGFRβ in green and DAPI in blue. (B) Light microscope images depicting emergence of sprouting over time on pattern sizes; scale bar = 500 μm. (C) Quantification of sprouting frequency; arrowheads, instances of sprouting
