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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 / Estudio comparativo del íleon en rata (Rattus norvegicus), murciélago (Eidolon helvum) y pangolín (Manis tricuspis) utilizando como investigación el método histológico
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.
Affiliation
  • Ofusori, D. A; Igbinedion University. School of Basic Medical Sciences. Department of Anatomy. Benin. NG
  • Caxton-Martins, E. A; Obafemi Awolowo University. Faculty of Basic Medical Sciences. Department of Anatomy and Cell Biology. Ile-Ife. NG
  • Komolafe, O. O; Obafemi Awolowo University. Faculty of Science. Department of Zoology. Ile-Ife. NG
  • Oluyemi, K. A; Igbinedion University. School of Basic Medical Sciences. Department of Anatomy. Benin. NG
  • Adeeyo, O. A; Obafemi Awolowo University. Faculty of Basic Medical Sciences. Department of Anatomy and Cell Biology. Ile-Ife. NG
  • Ajayi, S. A; Obafemi Awolowo University. Faculty of Basic Medical Sciences. Department of Anatomy and Cell Biology. Ile-Ife. NG
  • Oluwayinka, P. O; Obafemi Awolowo University. Faculty of Basic Medical Sciences. Department of Anatomy and Cell Biology. Ile-Ife. NG
  • Adelakun, E. A; University of Lagos. Faculty of Science. Department of Chemistry. Akoka. NG
  • Keji, S. T; Obafemi Awolowo University. Faculty of Basic Medical Sciences. Department of Anatomy and Cell Biology. Ile-Ife. NG
  • Adesanya, O. A; Igbinedion University. School of Basic Medical Sciences. Department of Anatomy. Benin. NG
Int. j. morphol ; 26(1): 137-141, 2008. ilus, tab
Article in English | LILACS | ID: lil-558587
Responsible library: CL1.1
ABSTRACT
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 percent formol saline. The tissues were processed for light microscopic study. The following stains were employed Haematoxylin and eosin (H & E), Van Gieson and Verhoeff's haematoxylin elastic tissue stain. Stained slides were also analysed morphometrically. The results revealed microstructural modifications which characterized the mucosa as well as the pattern of distribution of the conjuntive tissue fibers in the ileum of the three mammals. These modifications are means of successfully coping with their respective diets and morphological differences.
RESUMEN
Las diferencias histológicas y morfométricas en algunas partes del tubo digestivo de ratas, murciélagos y pangolines han sido bien establecidos. Esta investigación tiene por objeto aclarar comparativamente cualquier cambio de adaptación del íleon de los tres mamíferos que hayan adoptado para satisfacer sus necesidades dietéticas y también hacer frente a sus diferencias morfológicas. La investigación se llevó a cabo usando 10 ratas, 10 murciélagos y 10 pangolines, de ambos sexos. Los animales fueron ligeramente anestesiados bajo inhalación de cloroformo. Los intestinos fueron expuestos, el íleon extirpado y fijado en formol salino al 10 por ciento. Los tejidos fueron procesados para su estudio por microscopía de luz. Los siguientes tinciones fueron empleadas Hematoxilina y eosina (H & E), Van Gieson y tinción de hematoxilina para tejidos elásticos de Verhoeff. Los cortes teñidos también se analizaron morfométricamente. Los resultados revelaron modificaciones microestructurales características de la mucosa, así como el patrón de distribución de las fibras de tejido conjuntivo en el íleon de los tres mamíferos. Estas modificaciones son el medio para entender sus diferencias en la dieta y morfología respectivamente.
Subject(s)

Full text: Available Collection: International databases Database: LILACS Main subject: Rats / Chiroptera / Connective Tissue / Xenarthra / Ileum Limits: Animals Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2008 Document type: Article Affiliation country: Nigeria Institution/Affiliation country: Igbinedion University/NG / Obafemi Awolowo University/NG / University of Lagos/NG
Full text: Available Collection: International databases Database: LILACS Main subject: Rats / Chiroptera / Connective Tissue / Xenarthra / Ileum Limits: Animals Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2008 Document type: Article Affiliation country: Nigeria Institution/Affiliation country: Igbinedion University/NG / Obafemi Awolowo University/NG / University of Lagos/NG
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