Table 2. Osteohistological information related to growth and muscle attachment in the Stigmochelys pardalis study sample.
| Element | Accession # | Age class | %Vascularization | Growth marks | Evidence of attachment |
|---|---|---|---|---|---|
| Humerus | MVD-R-12b | J | 4.9 | – | – |
| MVD-R-12a | J | 7.2 | – | – | |
| MVD-R-11b | J | 3.5 | – | – | |
| MVD-R-11a | J | 3.7 | – | – | |
| MVD-R-10a | ESA | 0.2 | 3 Single annuli | – | |
| MVD-R-9 | ESA | 0.2 | 3 Single annuli | – | |
| MVD-R-8 | ESA | 0.2 | 4 Single annuli | Sharpey’s fibers | |
| MVD-R-7 | ESA | 0.1 | 1 Single lag, 4 single annuli | – | |
| MVD-R-6 | ESA | 0.1 | 2 Annuli | – | |
| MVD-R-5 | LSA | 0.3 | 9 Single annuli, 1 single LAG | – | |
| MVD-R-4 | LSA | 0.2 | 5 Annuli | – | |
| MVD-R-3 | LSA | 0.1 | 5 Single LAGs | – | |
| MVD-R-2a | LSA | 0.2 | 5 Single annuli | – | |
| MVD-R-1 | LSA | 0.1 | 6 Single LAGs | Sharpey’s fibers | |
| MNHN-ZA-AC 2010-2 (xs 13) | A | – | 7 Closely spaced single LAGs (EFS) | Sharpey’s fibers | |
| Radius | MVD-R-12c | J | – | – | – |
| MVD-R-18a | J | 0.4 | – | – | |
| MVD-R-17 | ESA | 0.7 | 5 Single LAGS | Sharpey’s fibers | |
| MVD-R-16 | LSA | 0.1 | 5 Single LAGS | Sharpey’s fibers | |
| MVD-R-15 | LSA | 0.2 | 5 Single annuli, single LAG | Sharpey’s fibers | |
| MVD-R14 | LSA | 0.1 | 4 Single LAGs | – | |
| MVD-R-13 | LSA | 0.1 | 3 Single LAGs | – | |
| MVD-R-2b | LSA | 0.1 | 1 Single LAG,1 double annuli and 2 single annuli | Sharpey’s fibers | |
| Ulna | MVD-R-12e | J | 2.7 | – | – |
| MVD-R-12d | J | 2.5 | – | – | |
| MVD-R-18b | J | 0.4 | – | – | |
| MVD-R-10b | ESA | 0.2 | 1 Single annuli | Sharpey’s fibers | |
| MVD-R-23 | ESA | 0.1 | 5 Single annuli | Sharpey’s fibers | |
| MVD-R-22 | ESA | 0.2 | 3 Single annuli, 2 single LAGs | – | |
| MVD-R-21 | LSA | 0.1 | 2 Single LAGs | Sharpey’s fibers | |
| MVD-R-20 | LSA | 0.1 | 7 Single annuli | Sharpey’s fibers | |
| MVD-R-19 | LSA | 0.1 | 3 Single LAGs, 1 double lag, | Sharpey’s fibers | |
| MVD-R-2c | LSA | 4.5 | 2 Single annuli, 1 single LAG | Sharpey’s fibers | |
| Femur | MVD-R-12g | J | 2 | – | – |
| MVD-R-12f | J | 4.8 | – | – | |
| MVD-R-11c | J | 0.3 | Hatchling line | Sharpey’s fibers | |
| MVD-R-10c | ESA | 0.1 | 2 Single LAGs | Sharpey’s fibers | |
| MVD-R-28 | ESA | 0.1 | 6 Double LAGs | Sharpey’s fibers | |
| MVD-R-27 | LSA | 0.1 | 2 Single LAGs, 1 double LAG | – | |
| MVD-R-26 | LSA | 0.1 | 4 Single annuli | Sharpey’s fibers | |
| MVD-R-25 | LSA | 0.1 | 1 Double LAG, 2 single LAGs | Sharpey’s fibers | |
| MVD-R-24 | LSA | 0.1 | 4 Single LAGs, 2 double LAGs | – | |
| MVD-R-2d | LSA | 0.1 | 2 Single LAGs | – | |
| Tibia | MVD-R-12i | J | 0.8 | – | – |
| MVD-R-12h | J | 3.1 | – | – | |
| MVD-R-11e | J | 1.6 | – | – | |
| MVD-R-11d | J | 0.5 | – | – | |
| MVD-R-33 | ESA | 0.1 | 3 Single LAGs | – | |
| MVD-R-32 | LSA | 0.1 | 5 Single annuli | Sharpey’s fibers | |
| MVD-R-31a | LSA | 0.1 | Triple annulus, 2 single annuli and 2 double LAGs | Sharpey’s fibers | |
| MVD-R-30 | LSA | 0.1 | Double annuli, 1 single LAG, and 2 double LAGs | Sharpey’s fibers | |
| MVD-R-2e | LSA | 0.1 | 1 Double LAG, 5 single LAGs | – | |
| MVD-R-29 | LSA | 0.1 | 6 Single LAGs | Sharpey’s fibers | |
| Fibula | MVD-R-12k | J | 0.9 | – | – |
| MVD-R-12j | J | – | – | – | |
| MVD-R-11f | J | – | – | Sharpey’s fibers | |
| MVD-R-36 | ESA | 0.1 | 6 Single LAGs | – | |
| MVD-R-31b | LSA | 0.1 | Double annuli, single LAG and double LAG | Sharpey’s fibers | |
| MVD-R-35 | LSA | 0.1 | 8–10 Single LAGs | Sharpey’s fibers | |
| MVD-R-34 | LSA | 0.1 | 4 Single LAGs | Sharpey’s fibers | |
| MVD-R-2f | LSA | 0.1 | 8 Single LAGs | Sharpey’s fibers |
Note:
Abbreviations: MVD-R, Modern Vertebrate Database Reptiles; LAG, Line of arrested growth; EFS, External fundamental system.