Yosra A. Fouda; Dalia A Sabry & Dalia F. Abou-Zaid

Summary

Three chamaeleon species including Chameleon Chamaeleo chamaeleon, Chameleon Chamaeleo africanus, and Chamaeleon vulgaris were collected and their tongue were dissected and examined morphologically and investigated using light and scanning electron microscopy. Both species showed similar histological manifestation of lingual papillae and tubular glands with dense mucous secretion especially in Chamaeleon vulgaris. There is no keratinization of lingual surfaces. Ultrastructurally, filliform represent the only pattern of lingual pappillae and take either cylindrical, conical and leaflet structure.Although the examined chalmaeleon species collected from different habitat, it shows almost similarities in their histological and ultrastructural structures.

KEY WORDS: Anatomical study; Histological study; Ultrastructural study; Tongue; lingual papillae; Chameleon Chamaeleo Chamaéleon; Chameleon Chamaeleo africanus; Chamaeleon vulgaris.

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