Comparative Histological Study of Stomach in Rats , Frogs and fishes | ||
journal of al-qadisiyah for pure science(quarterly) | ||
Article 1, Volume 12, Issue 2, June 2012, Pages 18-24 PDF (0 K) | ||
Author | ||
Shaimaa R.Al-Helali | ||
Abstract | ||
The study include comparative histological structure of stomach among three groupes animals :rats,frogs,and fishes.Hisological results found that the stomach composed of four tunica:mucosa,sub muocosa ,muscularis,and serosa.The results found that the mucosa consist of three layers:epithelium,lamina properia ,and muscularis mucosa in rats and frogs while in fishes muscularis mucosa was absent.The epithelium layer was simple columnar epithelium tissue in all species.Gastric glands was straight tubular gland in rats and frogs when was branched and non branched alveolare glands in fishes , this glands occurs lamina properia .Sub mucosa was loss connective tissue in rats , and was fibouse connective tissue in frogs and fishes. Tunica of muscularis found as two layers circular and longitudinal in all species .Serosa was loss connective tissue enclosed by mesothelail layer which was absent in stomach of fishes so considered as adventatia | ||
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