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A Comparative Histomorphometric Study of the Stomach of Rat (Rattus norvegicus), Bat (Eidolon helvum) and Pangolin (Manis tricuspis) in Relation to Diet International Journal of Morphology
Ofusori,D. A; Caxton-Martins,E. A.
This study verified the comparative histomorphometric adaptations in the stomach of rat, bat and pangolin in relation to diet. Ten rats, ten bats and ten pangolins of both sexes were used for this investigation. The animals were sacrificed after slight anesthesia under chloroform inhalation. The stomach were excised, fixed in 10% formol saline and processed for light microscopic study. Stained slides were also subjected to morphometric analysis at a magnification of 400x. The results revealed that the cellular diameter/ density of parietal and zymogenic cells are significantly different in the three mammals (p<0.05) with the exception of the diameter of the zymogenic cells in pangolin which was not statistically significant (p>0.05) when compared...
Tipo: Journal article Palavras-chave: Pangolin; Bat; Rat; Stomach; Histomorphometry; Connective tissue fibers.
Ano: 2008 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022008000300026
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A Comparative Study of the Ileum in Rat (Rattus norvegicus), Bat (Eidolon helvum) and Pangolin (Manis tricuspis) as Investigated Using Histological Method International Journal of Morphology
Ofusori,D. A; Caxton-Martins,E. A; Komolafe,O. O; Oluyemi,K. A; Adeeyo,O. A; Ajayi,S. A; Oluwayinka,P. O; Adelakun,E. A; Keji,S. T; Adesanya,O. A.
The histological and morphometric differences in some parts of the gastrointestinal tracts of rat, bat and pangolin have been well established. This investigation aims at comparatively elucidating any adaptational changes the ileum of the three mammals must have adopted to meet its dietary requirements and also cope with their morphological differences. The investigation was carried out using ten rats, ten bats and ten pangolins of both sexes. The animals were slightly anaesthetized under chloroform inhalation. The intestines were harvested and the ileum excised and fixed in 10% formol saline. The tissues were processed for light microscopic study. The following stains were employed: Haematoxylin and eosin (H &amp; E), Van Gieson and Verhoeff's...
Tipo: Journal article Palavras-chave: Pangolin; Bat; Rat; Ileum; Microanatomy; Conjuntive tissue.
Ano: 2008 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022008000100023
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Microarchitectural Adaptations in the Stomach of African Tree Pangolin (Manis tricuspis) International Journal of Morphology
Ofusori,D. A; Caxton-Martins,E. A; Keji,S. T; Oluwayinka,P. O; Abayomi,T. A; Ajayi,S. A.
The microarchitecture of the pangolin's stomach favouring the high chitinous diet has been less waived into, despite extensive morphological investigations. Histological analysis of the microanatomy will provide powerful tools for interpretation to yield reliable insights. We investigated this by fixing the tissues in 10% formol saline for histological analysis. Serial sections at 5 µm thickness were subjected to general staining methods for lightmicroscopic study (Haematoxylin and eosin, Van Gieson's and Verhoeff's). The results revealed basic structural arrangements in their coats, with a modification of the epithelial lining of cardia and fundus into stratified squamous keratinized epithelium. These modifications were also reflected in the distribution...
Tipo: Journal article Palavras-chave: Stomach; Microarchitecture; Histological analysis; Diet; Coats.
Ano: 2008 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022008000300031
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