Bone tissue engineering currently represents one of the most interesting alternatives to autologous transplants and their drawbacks in the treatment of large bone defects. Mesenchymal stem cells are used to build new bone in vitro in a bioreactor. Their stimulation and our understanding of the mechanisms of mechanotransduction need to be improved in order to optimize the design of bioreactors.

In this study, several geometries of bioreactor were analyzed experimentally and biological results were linked with numerical simulations of the flow inside the bioreactor. These results will constitute a base for an improved design of the existing bioreactor.

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