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International Journal of Morphology

On-line version ISSN 0717-9502

Abstract

MARTINEZ, M. et al. MORPHOLOGICAL STUDY OF THE TONGUE OF BUDGERIGAR (Melopsittacus undulatus). Int. J. Morphol. [online]. 2003, vol.21, n.2, pp.117-122. ISSN 0717-9502.  http://dx.doi.org/10.4067/S0717-95022003000200004.

The tongue of the budgerigar was analyzed macroscopically and by scanning electron microscopy with conventional and NaoH maceration techniques. Macroscopic analysis showed a median sulcus along the medium to the posterior regions. Transverse sulcus were also observed. The dorsum of the tongue showed a relatively smooth surface lined by keratinized stratified squamous epithelium. Lingual papillae were not detect on the anterior and medium regions, only at the root of the tongue. These structures were curved and inclined posteriorly. Near to the larynges aditus numerous projections like lingual papillae were noted. The anterior and medium regions showed connective tissue protrusions with longitudinal and transversal arrangement. The surface of the protrusions presented connective tissue papillae with finger-like shape

Keywords : Tongue; Epithelium; Connective Tissue; Bird; SEM.

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