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International Journal of Morphology

On-line version ISSN 0717-9502

Abstract

OFUSORI, D. A et al. Microarchitectural Adaptations in the Stomach of African Tree Pangolin (Manis tricuspis). Int. J. Morphol. [online]. 2008, vol.26, n.3, pp.701-705. ISSN 0717-9502.  http://dx.doi.org/10.4067/S0717-95022008000300031.

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 of collagen and elastic fibers in the various layers (coats) of the stomach. The present study has shown that there was an adaptation of the stomach of African tree pangolin to its diet as reflected in the microarchitectural configuration.

Keywords : Stomach; Microarchitecture; Histological analysis; Diet; Coats.

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