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Year : 2014  |  Volume : 2  |  Issue : 2  |  Page : 54-58

Comparative histomorphological study of the stomach of Rattus norvergicus, Agama agama, and Bufo marinus

1 Department of Anatomy, Federal University, Ndufu Alike Ikwo, Ebonyi State, Nigeria
2 Department of Anatomy, University of Benin, Benin, Edo State, Nigeria

Correspondence Address:
Joseph A Nwafor
Department of Anatomy, Federal University, Ndufu Alike Ikwo, Ebonyi State
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/2315-7992.153817

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Introduction: The histological view of the stomach presents an adaptation favoring the diets of each particular animal. The histoarchitectural organization, including the distribution of connective tissue fibers, provides a useful interpretation of the adaptative mechanisms adopted by the guts of different animals in coping with their diets. The rat is a mammal; the lizard, a reptile; and the toad, an amphibian. Their modes of diet are different and, as such, the organs involved in their diets show variation. Materials and Methods: We aimed to make a comparative study of the stomachs of the three types of animals in relation to their diet. Five adult Wistar rats, five adult agama lizards, and five adult cane toads of the same sex were used for this investigation. Result: The results revealed a sharp contrast in the histology of the stomachs among these vertebrates. A cursory look into the morphology of the stomach with regard to its shape and size also revealed significant differences. Conclusion: All of these observations on the histomorphologic pattern of the stomachs of these vertebrates suggest an adaptation in coping with their respective diets.

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