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Representative images and immunostainings (actin in green, nuclei in blue) depicting the time course of a contracting microtissue tethered to circular (A) and rectangular (B) cantilevers. (C) Temporal evolution of the tension generated by microtissues tethered to rectangular (k = 0.6 N/m, in black) and circular (k = 1.3 N/m, in gray) cantilevers.
