fig5
![Hierarchically structured biomaterials for tissue regeneration](https://image.oaes.cc/3cce6b45-69d8-49ee-929d-9f2cb853fa32/microstructures4061.fig.5.jpg)
Figure 5. The hierarchically structured biomaterials promote cell migration. (A) The adhesion of rBMSCs in 3D-printed conch-like scaffolds with different spacing. (B) Migration images of rBMSCs in 3D-printed conch-like scaffolds with different spacing at various time points. Statistical analysis of cell migration in the Z direction (C) and XY direction (D). Reproduced with permission[113]. Copyright 2022, Publishing services by Elsevier BV on behalf of KeAi Communications Co. Ltd. *P < 0.05, ***P < 0.001.