Figure 2. From: Extracellular matrix, inflammation, and the angiogenic response.
Responsiveness of distinct EC types to inflammatory and angiogenic agents. Soluble factors secreted by inflammatory, accessory, and ECs affect the fate of the different EC types in the sprout (phalanx, stalk, and tip cells), and in particular regulate the induction and specification of tip cells and therefore of capillary sprouting (adapted from De Smet et al.4).