Table 1.
Developmental changes in cell type and morphology of rat villi after staining (-x ± s, n = 6)
| Group | Number of villus goblet cells (entries/μm2) | Number of crypt goblet cells (entries/μm2) | Thickness of muscle layer (μm) | Villus height (μm) |
| Newborn group | 4.89 ± 2.67 | 0 ± 0 | 32.0 ± 15.71 | 315.20 ± 43.74 |
| Postnatal 3rd week | 7.14 ± 1.54b | 4.47 ± 1.10b | 64.86 ± 14.91b | 532.75 ± 53.36b |
| Postnatal 3rd month | 4.44 ± 1.11 | 5.27 ± 0.93 | 56.34 ± 15.41 | 629.64 ± 48.22 |
| Postnatal 1 year | 9.31 ± 1.50d | 6.49 ± 1.98 | 60.48 ± 11.93 | 510.95 ± 82.93d |
b
P < 0.01, vs Newborn group.
d
P < 0.01, vs Postnatal 3rd month.