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International Journal of Morphology

On-line version ISSN 0717-9502

Abstract

GERSENOWIES RODRIGUEZ, Jorge Ricardo  and  SANCHEZ FABILA, Gabriela. Anatomical Description of Upper Respiratory Tracts Skeleton of Budgerigar (Melopsittacus undulatus). Int. J. Morphol. [online]. 2010, vol.28, n.1, pp.85-92. ISSN 0717-9502.  http://dx.doi.org/10.4067/S0717-95022010000100011.

In this work describes in detail skeletical elements of upper respiratory tracts of 10 budgerigars (Melopsittacus undulatus), the description obtains evident differences in its anatomy doesn't relate before, this should to be possible at interest to study syrinx and not full respiratory tracts the objective was to describer morphology and ossification of full upper respiratory tracts of budgerigar, this obtained utilizing clearing technique's with stain double (alizarin red "S" and alcian blue) it allows to observe ossification of respiratory tracts, it obtained like result two principal evident differences: (1) the lingual shows two small paragloss bones associates with its mobility and (2) a important ossification from the lingual to "A" syrinx elements. Respectful at patron tracheal and syrinx skeletical doesn't show evident differences in comparation with other psittacidae. It proposes a study of lingual skeletical to determination of importance for to establish relationship and its taxonomic value and this form meets a door for new studies of comparative morphology.

Keywords : Lingual skeleton; Psittacidae; Syrinx; Trachea; Ossification.

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