Superficial mandibular musculature and vocal sac structure in the Anura

Date

1974

Authors

Tyler, Michael James

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Tulsi, Dr R.

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Thesis

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Abstract

A systematic survey has been undertaken of the superficial mandibular musculature, vocal sac structure and associated myointegumental lymphatic septa in nine anuran families. This study involved the examination, by microdissection, of ninety-five genera and three hundred and eighty-five species, so constituting approximately fifteen per cent. of the anuran fauna of the world. The rationale of the approach was that evolution of vocal sacs, intruding above the superficial mandibular muscles of male frogs, had introduced a new functional role for those muscles during distension of the sacs. In the absence of any direct contact between the superficial muscles and deeper structures, modification of the musculature was considered to be a reflection of the new functional requirements.

School/Discipline

Department of Anatomy and Histology

Dissertation Note

Thesis (M.Sc) -- University of Adelaide, Department of Anatomy and Histology, 1974

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This electronic version is made publicly available by the University of Adelaide in accordance with its open access policy for student theses. Copyright in this thesis remains with the author. This thesis may incorporate third party material which has been used by the author pursuant to Fair Dealing exceptions. If you are the owner of any included third party copyright material you wish to be removed from this electronic version, please complete the take down form located at: http://www.adelaide.edu.au/legals

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