title: Morphological adaptive changes of small intestinal tract regions due to pregnancy and lactation in rats.
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.
authors.affiliation: Department of Fundamental Biology and Health Science, University of Balearic Islands, Palma de Mallorca, Spain.
authors.forename: R M
authors.initials: RM
authors.lastname: Prieto
authors.forename: M
authors.initials: M
authors.lastname: Ferrer
authors.forename: J M
authors.initials: JM
authors.lastname: Fe
authors.forename: J M
authors.initials: JM
authors.lastname: Rayó
authors.forename: J A
authors.initials: JA
authors.lastname: Tur
mesh_terms: D000818:Animals; D015992:Body Mass Index; D004247:DNA / Q000032:analysis; D004386:Duodenum / Q000737:chemistry / Q000473:pathology / Q000502:physiology; D004435:Eating; D005260:Female; D006965:Hyperplasia / Q000473:pathology / Q000503:physiopathology; D006984:Hypertrophy / Q000473:pathology / Q000503:physiopathology; D007413:Intestinal Mucosa / Q000737:chemistry / Q000473:pathology / Q000502:physiology; D007421:Intestine, Small / Q000737:chemistry / Q000473:pathology* / Q000502:physiology; D007583:Jejunum / Q000737:chemistry / Q000473:pathology / Q000502:physiology; D007774:Lactation / Q000502:physiology*; D009929:Organ Size; D011247:Pregnancy; D011270:Pregnancy, Animal / Q000502:physiology*; D051381:Rats; D017208:Rats, Wistar
chemical_list: D004247:DNA