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Hallmarks of wound healing and pulmonary epithelial organisation. (A) Upon injury, epithelial cells undergo a multistage process to repair damage. These phases include i. dedifferentiation from specialised and mature cells, ii. adhesion to extracellular matrix, iii. spreading and migration towards the wound site, iv. cellular proliferation and finally v. redifferentiation and repair. (B) Structure of the pulmonary epithelium and organisation of major epithelial cell types.
