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The ratio between the longitudinal and transverse diameters on the cross-sections of the intestinal villi of white rats (shape factor).
| Villus Levels | Newborn Rats before Feeding | Newborn Rats after Feeding | Starved Adult Rats |
|---|---|---|---|
| Just below the enterocytes | 1.7 ± 0.3 * | 1.9 ± 0.2 | 2.8 ± 0.2 * |
| Middle | 2 ± 0.2 ** | 1.9 ± 0.2 | 5.7 ± 0.3 ** |
| Base | 1.8 ± 0.3 *** | 1.9 ± 0.2 | 12.6 ± 0.9 *** |
*, ** and ***: difference between means is significant (p < 0.05).
