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. 1994;38(5):295-300.
doi: 10.1159/000177824.

Morphological adaptive changes of small intestinal tract regions due to pregnancy and lactation in rats

R M Prieto  1 , M Ferrer, J M Fe, J M Rayó, J A Tur
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Morphological adaptive changes of small intestinal tract regions due to pregnancy and lactation in rats

R M Prieto et al. Ann Nutr Metab. 1994.

Abstract

In order to know the adaptive changes of small intestine regions (duodenum, and proximal, medial and distal jejunum-ileum) due to the reproductive stage (virgin, pregnancy and lactation), the weight, mucosal proportion, mucosal DNA and protein contents and protein/DNA ratio in female Wistar rats were measured. Pregnancy induces hypertrophy of the proximal half of the small intestine (duodenum and proximal jejunum-ileum), whereas lactation induces hyperplasia in all small intestinal regions and also hypertrophy but only in the duodenum.

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