TABLE 3.
Bone thickness and ectocranial growth rate
| Bone thickness (mm) |
BMAR1 (μm/day) |
|||
|---|---|---|---|---|
| Animal | frontal | parietal | frontal | parietal |
| 3-month | ||||
| 297 | 3.4 | 5.3 | 20.5 | 118.7 |
| 298 | 3.9 | 6.4 | 4.7 | 62.6 |
| 299 | 4.7 | 9.5 | 19.8 | 82.1 |
| 300 | 4.6 | 9.4 | 28.7 | 54.4 |
| Mean ± SD | 4.2 ± 0.6 | 7.7 ± 2.1 | 18.4 ± 10.0 | 79.5 ± 28.7 |
| 5-month | ||||
| 293 | 4.3 | 5.3 | 51.1 | 98.3 |
| 294 | 9.5 | 10.5 | 101.7 | 149.8 |
| 302 | 9.1 | 16.5 | 64.6 | 127.8 |
| 3011 | 11.9 | 13.7 | 128.5 | 170.6 |
| Mean ± SD | 8.7 ± 3.2 | 11.5 ± 4.8 | 86.5 ± 35.2 | 136.6 ± 31.0 |
| 7-month | ||||
| 303 | 15.3 | 15.6 | 134.1 | 165.7 |
| 321 | 10.0 | 13.0 | 123.6 | 144.3 |
| 322 | 10.5 | 14.3 | 71.2 | 110.8 |
| 3042 | 8.7 | 12.2 | 55.1 | 116.0 |
| 3062 | 12.2 | 17.9 | 111.1 | 197.0 |
| 3072 | 14.5 | 17.0 | 69.4 | ND3 |
| Mean ± SD | 11.9 ± 2.6 | 15.0 ± 2.2 | 94.1 ± 32.9 | 146.8 ± 35.8 |
| ANOVA:p | 0.002 | 0.013 | 0.005 | 0.027 |
1
BMAR, bone-surface mineral apposition rate,
2
fused interparietal sutures;
3
ND: no data.