| 3D | three-dimensional; |
| 3D-HA/PDLLA | three-dimensional porous uncalcined and unsintered hydroxyapatite/poly-d/l-lactide; |
| MSCs | mesenchymal stem cells; |
| hMSCs | human mesenchymal stem cells; |
| β-TCP | β-tricalcium phosphate |
| BMA | bone marrow aspirate |
| CD90 | Thy-1, cluster of differentiation 90 |
| CD271 | low-affinity nerve growth factor receptor |
| MECs | moderately expanding mesenchymal stem cell clones |
| u-HA | uncalcined and unsintered hydroxyapatite |
| PDLLA | poly-d/l-lactide |
| Mv | viscosity-average molecular weight |
| d/l | dextrorotatory-lactide acid/levorotatory-lactide acid |
| Ca/P | calcium/phosphorus |
| HBS | Hank’s balanced salt solution |
| SD | Sprague Dawley |
| Micro-CT | microcomputed tomography |
| VG staining | Villanueva Goldner staining |
| PLA | polylactic acid |
| PLLA | poly-l-lactide |
| PDLA | poly-d-lactide |
| d | dextrorotatory |
| l | levorotatory |
| HIF2A | hypoxia-inducible factor 2 alpha |
| Runx2 | runt-related transcription factor 2 |