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. Author manuscript; available in PMC: 2017 Jul 20.
Published in final edited form as: Rep Prog Phys. 2017 Jan 27;80(3):036601. doi: 10.1088/1361-6633/aa5282

Figure 8.

Figure 8

Epithelial cell layer mechanics. When cells form a confluent layer, the shape and forces within the tissue can be described by an energy formulation of the vertex model (equation (23)). The energy function describes cell-cell adhesion, cell volume change and cell surface contractility, and can be understood as a Lyapunov function of the shape and volume dynamical system described by equations (15)(19).