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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 & 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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Comparison of Antioxidant Effects of Kolaviron and Vitamin C Interventions on Testicular Structures Following Nevirapine Administration in Sprague-Dawley Rats International Journal of Morphology
Ajayi,S. A; Azu,O. O; Chuturgoon,A; Phulukdaree,A; Komolafe,O. A; Ofusori,D. A.
Testicular toxicity has been implicated in highly active anti-retroviral therapy (HAART) treatment. Hence there is need to identify an effective antioxidant product that can alleviate testicular necrosis due to HAART administration. Forty eight adult male Sprague-Dawley rats were used in this study. The animals were divided into eight (8) groups: A-H (n= 6). Group A animals received normal saline as the control; Group B was given Nevirapine (Nv); Group C was given Kolaviron (Kv); Group D was given vitamin C; Group E was given Nv and Kv; Group F was given Nv and Vitamin C; Group G was given Nv for 56 d and Kv for 28 d serving as a withdrawal group; Group H was given corn oil. Nv, Kv and Vit. C were given at 1.54, 200 and 250 (mg·kg)/bw respectively while...
Tipo: Journal article Palavras-chave: Nevirapine; Kolaviron; Testicular toxicity; Sperm count; Antioxidant enzymes.
Ano: 2016 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022016000100016
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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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Morphometric Study of Lumbar Vertebrae in Adult South African Subjects International Journal of Morphology
Azu,O. O; Komolafe,O. A; Ofusori,D. A; Ajayi,S. A; Naidu,E. C. S; Abiodun,A. A.
Lumbar vertebral dimensions provide vital clinical information of immense diagnostic benefits to medical experts. The present study provides data for lumbar vertebral dimensions of a cohort of specimens of South African females and males. Measurements were obtained from lumbar vertebrae from the osteological collections in the Discipline of Clinical Anatomy, Nelson Mandela School of Medicine using a digital caliper. The antero-posterior body diameter (APD), interpedicular distance (IPD), midsagittal diameter (MSD) and pedicle length (PL) were measured while ratio of MSD to APD was calculated. Results showed gradual increase from L1 to L5 for mean APD and IPD, and a decrease for mean PL from L1 to L5. Mean MSD was observed to present a "U" curve pattern...
Tipo: Journal article Palavras-chave: Lumbar vertebrae; Morphometry; Adults; South Africa.
Ano: 2016 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022016000400028
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