عنوان مقاله [English]
Bats play a special role in the earths ecosystem by eating harmful insects, helping in pollination of trees and producing precious fertilizer. Due to their ecologic and economic importance, and to get a better understanding of bats, the differencebetween histology of gastric tissue in two species of bats namedRhinopoma hardwickii and Rousettus aegyptiacusis studied. In this research five insectivorous bats and five flying fox were chosen from Jahrom in the province of Fars, tissues of their stomach were prepared, and sections were compared regarding presence or absence of perez, type of muscle cells, type of glands, type of gland secretions, types of cells, existence or lack of serous membrane, and presence or absence of pits were examined by light microscopy.The results showed that the stomach tissue in both species were similar to mammals and had 3 areas: cardia, body and pylorus; however, the lining mucosa and sub-mucosa in fruit-eating species were thicker and specific and had more collagen fiber than the insectivorous species. Based on the present study, in general, the stomach layers in flying fox species are thicker than that of Insectivorous bats; that is probably because of bigger stomach of flying fox comparing with the insectivorous species which is probably due to the greater size of the stomach in flying fox species which is due to the necessity of more time for digesting the cellulosic materials in flying fox species stomach.