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Movement of the hyoid in frogs during feeding

✍ Scribed by Emerson, Sharon B.

Publisher: Wiley (John Wiley & Sons)
Year: 1977
Tongue: English
Weight: 361 KB
Volume: 149
Category: Article
ISSN: 0002-9106
DOI: 10.1002/aja.1001490109

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✦ Synopsis

Abstract

Feeding, breathing, and vocalization sequences of Bufo marinus were recorded by cineradiography. Results of film analysis indicate that the hyoid moves during all three behaviors. Movement of the hyoid is critical in tongue protrusion of frogs, and a biomechanical model of this action is presented. The hyoid appears to represent a compromise morphological system for three functions, rather than an optimal system for any one. This may explain, in part, the retention of a relatively inefficient breathing mechanism in frogs.

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