| AIB | Apparent integrated backscatter |
| AIBslope | Apparent integrated backscatter slope |
| DAS | Delay-and-sum |
| ECM | Extracellular matrix |
| IRC | Integrated reflection coefficient |
| JSD | Jensen–Shannon divergence |
| LR1 | Lower radial 1 |
| LR2 | Lower radial 2 |
| OA | Osteoarthritis |
| PCM | Pericellular matrix |
| R | Reflection coefficient |
| ROI | Region of interest |
| SZ | Superficial zone |
| TZ | Transitional zone |
| UR1 | Upper radial 1 |
| UR2 | Upper radial 2 |
| US | Ultrasound |
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