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Comparative studies of tongue of Gopherus gopherus (turtle), Mus musculus (mice), Erinaceus auritus (hedgehog) and Psammomys obesus

Journal: Journal of Bioscience and Applied Research (JBAAR) (Vol.1, No. 4)

Publication Date:

Authors : ;

Page : 160-167

Keywords : Erinaceous auritus; Filliform papillae; Gopherus gopherus; Gustatory papillae; Mus musculus; Psammomys obesus obesus; . Tongue;

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Tongue from four types of species was investigated in the present study. One reptilian species; Gopherus gopherus and three mammalian Sp. Erinaceous auritus, Mus musculus, Psammomys obesus obesus. The tongue of the selected speciemens were removed and fixed in 10% phosphate buffered formalin and processed for histological and scanning electron microscopic investigation. Habitat and diet interfered with the degree of keratinization which increased in Gopherus gopherus and Psammomys obesus obesus more than the other species. Abundant mucous glands were detected underlying the lingual mucosa of Gopherus gopherus more than others. Erinaceous auritus and Mus musculus possessed a variety of gustatory papillae including fungiform, valate and foliate papillae with regular pattern of taste buds which were disappeared in Psammomys obesus obesus. Gustatory papillae is almost missing in Gopherus gopherus. Different pattern of filliform papillae are distinguished and varied between the studied species. Finally, it is concluded that lingual structures varied between species depending on developmental aspects, habitat and diet.

Last modified: 2018-01-20 07:20:12