Morfologia das papilas linguais de canídeos do cerrado, Cerdocyon thous e Chrysocyon brachyurus (Carnivora: Canidae)

Lima, Mariana Oliveira

doi:10.14393/ufu.di.2015.173

DOI: 10.14393/ufu.di.2015.173

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Morfologia das papilas linguais de canídeos do cerrado, Cerdocyon thous e Chrysocyon brachyurus (Carnivora: Canidae)

Mariana Oliveira Lima¹

Abstract: graduou-se em Licenciatura em Ciências Biológicas e em dezembro de 2004 Bacharel no mesmo curso pela Universidade Federal de Uberlândia (UFU). Durante toda graduação foi monitora do Laboratório de Anatomia Humana. Em Dezembro de 2008 graduou-se Bacharel em Biomedicina pela Universidade Presidente Antônio Carlos (UNIPAC). Em dezembro de 2009 conclui um curso técnico em Análises

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Cited by 2 publications

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Papillary architecture of the Leopardus pardalis tongue

Freire

Moreira

Giese

et al. 2019

Anat Histol Embryol

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The ocelot (Leopardus pardalis) is a Felidae of wide geographical distribution and food flexibility; therefore, it is essential to understand the morphology of the species. Thus, we aimed to describe its lingual morphology in order to gain information regarding the anatomy of this carnivore's digestive system. The tongues were removed for ex situ macroscopic and morphometric analyses, as well as for light microscopy and scanning electron microscopy, of fragments of the different lingual regions. The tongue of L. pardalis had an elongated form that was subdivided into the apex, body and root, in which four papillary types were observed: filiform, fungiform, circumvallate and conical. It presented with a stratified, keratinized squamous epithelium, followed by loose and dense connective tissues, as well as a skeletal striated musculature that comprised most of the organ. In addition, in scanning electron microscopy the filiform papillae showed a complex with multiple layers of keratin with triangular shape projected caudally in oral cavity. The fungiform papillae were distributed among the filiform and showed a rounded shape with some gustatory pores, and are keratinized but in a lower intensity if compared with filiform. The vallate papillae, located in lingual root, showed an oval format, had a deep groove surrounded the papillae and some gustatory pores. The conical papillae are located in lingual root and are similar to the filiform. The tongue of L. pardalis resembles other carnivorous species, mainly among felids. However, it differed in relation to the quantity of vallate papillae and the absence of foliate papillae.

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Papillary architecture of the Leopardus pardalis tongue

Freire

Moreira

Giese

et al. 2019

Anat Histol Embryol

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Papillary architecture in the tayra tongue

Gonçalves

Branco

Rodrigues

et al. 2020

Anat Histol Embryol

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The tayra (Eira barbara) is a mammal belonging to the Mustelidae family that occurs in all Brazilian biomes. The present work aimed to describe the morphology of the tongue of these specimens highlighting their structures and particularities that will serve as a subsidy to elucidate the anatomy of the same and for comparative studies among other species of domestic and wild animals. Five adult male specimens of E. barbara were studied, which were fixed using 10% aqueous formaldehyde solution. The tongue was removed by opening the oral cavity and separating the maxillary/mandible bone complex. Being in possession of the material, photodocumentations and collection of the fragments were made for the proper preparation of histological slides and Scanning Electron Microscopy (SEM). The lingual papillae found in tayra were mechanical: filiform and conical; and gustative: fungiform and circumvallated. Histologically, the papillae are constituted by keratinized stratified epithelium and in the innermost region, it was composed of tissue connective dense unshaped followed by a layer of muscle bundles of skeletal striated. In the region of the root of the tongue of E. barbara, there were a set of small mixed salivary glands (serous and mucous) and the punctual presence of gustatory corpuscles at the level of epithelium. The morphological description of the E. barbara tongue revealed similarity to that described in literature for other domestic and wild mammals. However, the particularity of the absence of foliate papilla and the quantitative of four papillae circumvallate in the region of the root of the tongue of this species.

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Morfologia das papilas linguais de canídeos do cerrado, Cerdocyon thous e Chrysocyon brachyurus (Carnivora: Canidae)

Cited by 2 publications

References 18 publications

Papillary architecture of the Leopardus pardalis tongue

Papillary architecture of the Leopardus pardalis tongue

Papillary architecture in the tayra tongue

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