Table 2.
Effect of calcium supplementation on Pb induced alterations of developmental landmarks in rats.
| Parameters | Control | 0.2% Pb | 0.2% Pb + Ca |
|---|---|---|---|
| Pinna unfolding (PND) | 4.33±0.4a | 4.41±0.2a (1.84) | 4.47±0.3a (3.23) |
| Lower incisor eruption (PND) | 3.2±0.4a | 3.15±0.4a (1.56) | 3.26±0.5a (1.87) |
| Fur development (PND) | 6.62±0.7a | 6.83±0.5a (3.17) | 6.66±0.7a (0.6) |
| Upper incisor eruption (PND) | 9.2±0.4a | 9.11±0.2a (-0.98) | 9.3±0.4a (1.08) |
| Eye slit formation (PND) | 9.95±0.7a | 9.72±0.6a (-2.31) | 9.93±0.6a (0.2) |
| Eye opening(PND) | 12.04±0.5a | 12.13±0.6a (0.74) | 12.02±0.7a (0.16) |
a
Values are mean ± SD of 8 rats; pups within the litter were pooled, but litter was considered as n of one for statistical analysis. Values in the parentheses are percentage change from control. Values not sharing a common superscript (a,b,c) differ significantly at p<0.05.