| DN | double network |
| ACI | autologous chondrocyte implantation |
| CoCr | cobalt chrome |
| MoM | metal on metal |
| UHMW-PE | ultra-high molecular weight polyethylene |
| PE | poly(ethylene) |
| PMPC | poly(2-methacryloyloxyethyl phophorylcholine) |
| MPDSAH | 3-dimethyl (3-(N-methacrylamido)propyl) ammonium propane sulfonate |
| PAA | poly(acrylic acid) |
| PVA | poly(vinyl acid) |
| PAAm | poly(acrylamide) |
| PEG | poly(ethylene glycol) |
| PAMPS | poly(2-acrylamido-2-methylpropanesulfonic acid) |
| PCDME | poly(N-(carboxymethyl)-N,N-dimethyl-2-(methacryloyloxy) ethanaminium) |
| PMMA | poly(methyl methacrylate) |
| EDC | 1-ethyl-(3-3-dimethylaminopropyl) carbodamide |
| MBAA | N-N’-methylenebis(acrylamide) |
| CS | chondroitin sulphate |
| HEMA | hydroxyethyl methacrylate |