TABLE 2.
Sutural growth and width
| Animal | MAR1-IF2 (μm/day) | MAR1-IP3 (μm/day) | DLP4-IF2 (%) | DLP4-IP3 (%) | IF2 width (μm) |
IP3 width (μm) |
||
|---|---|---|---|---|---|---|---|---|
| Ectocranial | Endocranial | Ectocranial | Endocranial | |||||
| 3-month | ||||||||
| 297 | 12.0 | 9.6 | 45.0 | 63.3 | 191.3 | 179.7 | 204.6 | 192.4 |
| 298 | 9.0 | 4.6 | 70.0 | 70.2 | 207.2 | 197.4 | 154.3 | 153.9 |
| 299 | 11.4 | 10.2 | 65.1 | 61.6 | 230.7 | 214.3 | 242.9 | 193.6 |
| 300 | 12.7 | 10.8 | 63.6 | 65.8 | 212.4 | 204.3 | 256.4 | 206.5 |
| Mean ± SD | 11.3 ± 1.6 | 8.8 ± 2.8 | 60.9 ± 17.7 | 65.2 ± 4.9 | 210.4 ± 16.2 | 198.9 ± 14.6 | 214.6 ± 45.8 | 186.6 ± 22.7 |
| 5-month | ||||||||
| 293 | 8.1 | 7.2 | 61.2 | 61.5 | 221.5 | 171.2 | 207.6 | 169.4 |
| 294 | 6.4 | 4.9 | 46.7 | 37.6 | 238.5 | 193.2 | 180.3 | 167.8 |
| 302 | 7.1 | 7.3 | 62.0 | 68.8 | 217.1 | 156.3 | 272.4 | 173.4 |
| 3015 | 5.3 | 5.2 | 42.4 | 30.0 | 227.5 | 146.5 | NA6 | 117.0 |
| Mean ± SD | 6.7 ± 1.2 | 6.2 ± 1.3 | 53.1 ± 10.3 | 49.5 ± 16.9 | 226.1 ± 9.3 | 166.8 ± 20.3 | 220.1 ± 47.3 | 156.9 ± 26.7 |
| 7-month | ||||||||
| 303 | 5.3 | 5.3 | 55.8 | 55.9 | 249.5 | 140.1 | 203.2 | 169.4 |
| 321 | 6.0 | 5.5 | 56.0 | 60.8 | 223.4 | 130.1 | 193.4 | 128.8 |
| 322 | 5.7 | 4.0 | 65.6 | 35.1 | 251.5 | 212.9 | 235.5 | 121.3 |
| 3045 | 5.1 | 4.0 | 59.1 | 35.1 | 249.6 | 156.6 | NA6 | 130.9 |
| 3065 | 5.6 | 3.0 | 66.1 | 47.8 | 240.5 | 166.6 | NA6 | 117.1 |
| 3075 | 4.5 | 2.5 | 55.1 | 22.5 | 202.2 | 114.9 | NA6 | 92.1 |
| Mean ± SD | 5.4 ± 0.5 | 4.1 ± 1.2 | 59.6 ± 5.0 | 42.9 ± 14.5 | 236.1 ± 19.6 | 153.5 ± 34.4 | 210.7 ± 22.0 | 126.6 ± 25.2 |
| ANOVA: p | 30.001 | 0.007 | 0.391 | 0.084 | 0.095 | 0.065 | 0.961 | 0.011 |
1
MAR, mineral apposition rate;
2
IF, interfrontal suture;
3
IP, interparietal suture;
4
DLP, double-label linear percentage;
5
fused interparietal sutures;
6
NA, no ectocranial suture.