| ADSC | adipose derived stem cell |
| ECM | extracellular matrix |
| ESC | embryonic stem cell |
| FDA | Food and Drug Administration |
| FGF | fibroblast growth factor |
| HA | hyaluronic acid |
| MSC | mesenchymal stem cell |
| MMP | matrix metalloproteinase |
| PEG | poly (ethylene glycol) |
| PGA | poly (glycolic acid) |