Ultraestructural alterations in the equine jejune villi after distension

R. S. Costa; G. M. Pagliosa; G. E. S. Alves; J. J. M. Rio Tinto; A. C. Alessi; R. R. Faleiros

doi:10.1590/S0102-09352010000500003

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Ultraestructural alterations in the equine jejune villi after distension

Journal article

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Ultraestructural alterations in the equine jejune villi after distension

R. S. Costa, G. M. Pagliosa, G. E. S. Alves, J. J. M. Rio Tinto, A. C. Alessi and R. R. Faleiros

Arquivo brasileiro de medicina veterinária e zootecnia, Vol.62(5), pp.1036-1042

2010

DOI: https://doi.org/10.1590/S0102-09352010000500003

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Abstract

Life Sciences & Biomedicine

Science & Technology

Veterinary Sciences

The ultra-structural alterations in the equine jejune villi caused by intraluminal distension were analyzed. Six animals had a jejunum segment distended with saline solution. The intraluminal pressure was maintained in 25cm of water for 2h. The mucosal samples collected (0h, 2h of distension, 2h and 12h of decompression) were analyzed with scan electronic microscopy (SEM). The area and the perimeter of the villi, as well as their density, were analyzed using a specific software for image analysis (Image J). The luminal distention and decompression induced an increase on villi dimensions (area and perimeter). This ultrastructural alteration occurred just 12h after decompression, possibily due to edema caused by the increase of vascular permeability resulting from ischemia and reperfusion of the intestine mucosa. The intraluminal distension of the equine jejune caused a delayed increase of the intestine villi dimensions.

Details

Title: Ultraestructural alterations in the equine jejune villi after distension
Authors/Creators: R. S. Costa - Federal Reserve
G. M. Pagliosa - Univ Fed Minas Gerais, EV, Belo Horizonte, MG, Brazil
G. E. S. Alves - Univ Fed Minas Gerais, Escola Vet, Belo Horizonte, MG, Brazil
J. J. M. Rio Tinto - Pontificia Univ Catolica, Betim, MG, Brazil
A. C. Alessi - Núcleo de Pesquisas Aplicadas (Brazil)
R. R. Faleiros - Univ Fed Minas Gerais, Escola Vet, Belo Horizonte, MG, Brazil
Publication Details: Arquivo brasileiro de medicina veterinária e zootecnia, Vol.62(5), pp.1036-1042
Publisher: Arquivo Brasileiro Medicina Veterinaria Zootecnia
Number of pages: 7
Identifiers: 991005593762907891
Murdoch Affiliation: School of Veterinary Medicine
Language: Portuguese
Resource Type: Journal article

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Collaboration types: Domestic collaboration
Citation topics: 3 Agriculture, Environment & Ecology; 3.232 Veterinary Sciences; 3.232.1936 Equine and Bovine Gastrointestinal Disorders
Web Of Science research areas: Veterinary Sciences
ESI research areas: Plant & Animal Science