Fig. 7.

Airway-on-a-chip MPS. (A) A human small airway-on-a-chip. Reproduced with permission from Ref [114]., Copyright 2015, Springer Nature. (B) A lung airway-on-a-chip system with arrayable suspended gels. Reproduced with permission from Ref [116]., Copyright 2018, Royal Society of Chemistry. (C) A vascularized airway-on-a-chip fabricated by 3D cell printing. Reproduced with permission from Ref [119]., Copyright 2018, IOPscience. (D) A small airway epithelium tissue chip. Reproduced with permission from Ref [120]., Copyright 2022, Oxford Academic