Research Article
Effect of Microstructure of Spongy Bone in Different Parts of Woodpecker’s Skull on Resistance to Impact Injury
Table 1
Definitions of various microstructural parameters analyzed in this study.
| | Parameters abbrev. | Definition (units) |
| Bone volume fraction | BV/TV | Relative percentage of bone within 3D ROI (%); BV: bone volume; TV: tissue volume | Structural model index | SMI | Quantification of relative shape of trabeculae from rod-like to plate-like | Trabecular thickness | Tb.Th | Quantification of relative thickness of individual trabeculae within 3-D ROI (m) | Trabecular number | Tb.N | Quantification of relative number of individual trabeculae within 3-D ROI (1/mm) | Trabecular separation | Tb.Sp | Quantification of relative spacing between individual trabeculae within 3-D ROI (m) | Bone mineral density | BMD | 3-D derivation of mineral density (g/cm3) |
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