Morphological Changes in the Upper Part of Digestive Tract in a Case of Experimental Duodenogastric Reflux

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Experimental reproduction of duodeno-gastric reflux was performed among Wistar line 28 rats, which were injected with 50 % solution of medical bile by intragastric way. Morphological study had been shown significant structural changes in the gingival tissues, mucous membrane of an esophagus, stomach and duodenum. In the epithelial layer of gingiva and esophagus was observed numerous infringements in a process of differentiation cells, in the stroma was shown phenomena of fibrosis in a papillary layer, microcirculation disorders. In the gastric mucosa had been found out multiple erosions, the glandular cells were increased. It was demonstrated vacuolization of the basal and thorn layers of the stomach epithelium. In the stroma defined phenomena of fibrosis and a dense lymphocyte infiltration with eosinophils. In the duodenum was determined desquamation of a glandular epithelium, superficial erosions of the villi, lympho–histio–plasmocytosis infiltration in a stroma, microvascular disorders. The given experiment demonstrates a role of functional disorders in the pathogenesis of combined pathology in the upper gastrointestinal tract.

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Pages:

77-87

DOI:

10.4028/www.scientific.net/JBBBE.35.77

Citation:

Y.G. Romanenko and M.P. Komskyi, "Morphological Changes in the Upper Part of Digestive Tract in a Case of Experimental Duodenogastric Reflux", Journal of Biomimetics, Biomaterials and Biomedical Engineering, Vol. 35, pp. 77-87, 2018

Online since:

January 2018

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