2015
DOI: 10.1590/1519-6984.20113
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Abstract: Cyclarhis gujanensis is a little bird which feeds on high number of large preys, such frogs, lizards, snakes, bats and birds. As there are few studies on the cranial anatomy of this species, we aimed to describe the cranial myology to contribute to the anatomical knowledge of this species and to make some assumptions about functional anatomy. Thus, we described the muscles from the jaw apparatus (external and internal adductor muscles, the muscles of the pterygoid system and the depressor muscles of the mandib… Show more

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Cited by 7 publications
(4 citation statements)
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“…The fruit‐eating birds, which require a beak that can effectively grasp and partially crush the fruit, have comparatively much more developed pterygoideus muscles than those of the granivorous and insectivorous birds (Bhattacharyya, ). The rufous‐browed peppershrike, a small bird of the family Vireonidae, is equipped with robust and large opening and closing jaw muscles compared with other passerine birds, thereby enabling it to capture, rip and tear apart larger prey (Previatto & Posso, ). In the monk parakeet, jaw closing muscles are highly conspicuous and contribute to a strong force in jaw adduction.…”
Section: Discussionmentioning
confidence: 99%
“…The fruit‐eating birds, which require a beak that can effectively grasp and partially crush the fruit, have comparatively much more developed pterygoideus muscles than those of the granivorous and insectivorous birds (Bhattacharyya, ). The rufous‐browed peppershrike, a small bird of the family Vireonidae, is equipped with robust and large opening and closing jaw muscles compared with other passerine birds, thereby enabling it to capture, rip and tear apart larger prey (Previatto & Posso, ). In the monk parakeet, jaw closing muscles are highly conspicuous and contribute to a strong force in jaw adduction.…”
Section: Discussionmentioning
confidence: 99%
“…We based our suggestions about dimensions and strength of muscles on the skeletal surface available for their attachment. Nevertheless, the feeding action of the jaws is also affected by the points and angles of insertion and origins of muscles, as well as the type of muscle fibres (Bock, 1964;Burger, 1978;Donatelli et al, 2014;Previatto & Posso, 2015b). Thus, a more detailed hypothesis for the jaw movements and strength in F. magnificens and S. leucogaster and their relation with feeding habits should necessarily incorporate data on the jaw (i.e., all parts of the M. adductor mandibulae externus and Mm.…”
Section: Discussionmentioning
confidence: 99%
“…Anatomical studies (Moura et al, 2007;Previatto and Posso, 2015) support that morphological information allows us to understand how animals interact with their natural environment or in captivity, thereby being able to use it in favor of the preservation of the species. However, anatomical studies on T. inunguis are scarce (Colares, 1994), and the morphological characterization of vascular organs and structures mainly refers to T. manatus (Snipes, 1984, Reynolds and Rommel, 1996, Rommel et al, 2001, Rommel and Caplan, 2003, a marine species.…”
Section: Liver and Gallbladdermentioning
confidence: 99%