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Tissue growth in channels with controlled geometry. Tissue growth in channels with (i) triangular, (ii) square, (iii) hexagonal, and (iv) circular cross-sections. (A) Actin stress fibers stained with phalloidin-FITC after 21 days for (i)–(iii) and 30 days for (iv). (B) Computational simulation of tissue growth showing evolution of tissue front at different time points. Computational results closely agree with experimental results. Figure retrieved from Rumpler et al. (2008).
