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Abstract:

After the description of the chondrocranium, hyobranchial apparatus, associated musculature, buccal apparatus, buccopharyngeal cavity, digestive tract, and gut contents, it was possible to define the feeding modes of Scinax nasicus and Hyla nana tadpoles (Gosner Stages 31-36). Scinax nasicus larvae are "typical" microphagous tadpoles, with keratodonts and robust rostrodonts appropriate for rasping surfaces and mincing of food particles; the buccopharyngeal cavity is equipped with filtering structures and has a conspicuous glandular zone and a highly developed branchial basket. In contrast, H. nana tadpoles have a modified buccal apparatus; the reduction of the buccopharyngeal and branchial basket structures, together with the high lever-arm ratio and the great development of the depressor muscles of the buccal floor are indicative of macrophagous feeding. © 2004 Wiley-Liss, Inc.

Registro:

Documento: Artículo
Título:Feeding mechanisms in two treefrogs, Hyla nana and Scinax nasicus (Anura: Hylidae)
Autor:Vera Candioti, M.F.; Lavilla, E.O.; Echeverría, D.D.
Filiación:Instituto de Herpetología, Fundación Miguel Lillo, San Miguel de Tucumán, 4000, Argentina
Laboratorio de Vertebrados, Depto. de Ciencias Biológicas, Universidad de Buenos Aires, Buenos Aires, 1428, Argentina
Instituto de Herpetología, Fundación Miguel Lillo, Miguel Lillo 251, 4000 San Miguel de Tucumán, Argentina
Palabras clave:Feeding mechanisms; Hyla nana; Scinax nasicus; Tadpole morphology; animal; article; cheek; comparative study; feeding behavior; frogs and toads; gastrointestinal tract; histology; pharynx; physiology; scanning electron microscopy; skeletal muscle; skull; ultrastructure; Animals; Anura; Cheek; Feeding Behavior; Gastrointestinal Tract; Microscopy, Electron, Scanning; Muscle, Skeletal; Pharynx; Skull; Anura; Hyla; Hylidae; Scinax
Año:2004
Volumen:261
Número:2
Página de inicio:206
Página de fin:224
DOI: http://dx.doi.org/10.1002/jmor.10239
Título revista:Journal of Morphology
Título revista abreviado:J. Morphol.
ISSN:03622525
CODEN:JOMOA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03622525_v261_n2_p206_VeraCandioti

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Citas:

---------- APA ----------
Vera Candioti, M.F., Lavilla, E.O. & Echeverría, D.D. (2004) . Feeding mechanisms in two treefrogs, Hyla nana and Scinax nasicus (Anura: Hylidae). Journal of Morphology, 261(2), 206-224.
http://dx.doi.org/10.1002/jmor.10239
---------- CHICAGO ----------
Vera Candioti, M.F., Lavilla, E.O., Echeverría, D.D. "Feeding mechanisms in two treefrogs, Hyla nana and Scinax nasicus (Anura: Hylidae)" . Journal of Morphology 261, no. 2 (2004) : 206-224.
http://dx.doi.org/10.1002/jmor.10239
---------- MLA ----------
Vera Candioti, M.F., Lavilla, E.O., Echeverría, D.D. "Feeding mechanisms in two treefrogs, Hyla nana and Scinax nasicus (Anura: Hylidae)" . Journal of Morphology, vol. 261, no. 2, 2004, pp. 206-224.
http://dx.doi.org/10.1002/jmor.10239
---------- VANCOUVER ----------
Vera Candioti, M.F., Lavilla, E.O., Echeverría, D.D. Feeding mechanisms in two treefrogs, Hyla nana and Scinax nasicus (Anura: Hylidae). J. Morphol. 2004;261(2):206-224.
http://dx.doi.org/10.1002/jmor.10239