| 3D | Three-dimensional |
| µCT | micro-computed tomography |
| SR-PhC-µCT | synchrotron radiation-based phase-contrast micro-computed tomography |
| Vol% | collagen volume fraction |
| Th | mean collagen bundle thickness |
| Sp | mean collagen bundle spacing |
| Nr | specific number of collagen bundles |
| Conn.D | connectivity density |
| DA | degree of anisotropy |
| FD | fractal dimension |
| CB | collagen bundles |
| AI | artificial intelligence |
| IoU | intersection over union |
| ROI | region of interest |