| Comparative study on the forefoot and hindfoot intrinsic muscles of some cavioidea rodents (Mammalia, Rodentia). | |
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MedLine Citation:
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PMID: 17008077 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The present study compares the forefoot and hindfoot musculature of five representative species of Cavioidea rodents. In all species, the musculature of both forefeet and hindfeet have the same array regardless of the absence of digit I in the manus of Hydrochaeris hydrochaeris and Cavia porcellus. Our results suggest a tendency in these species towards a three-digit system, with a functional loss of digit V and a predominance of digit III in their forefeet. In the same way, the muscular reduction of digit I in the other rodents analyzed indicates a four-digit system with predominance of digit II in Myoprocta acouchy and Dasyprocta leporina and of digit V in Agouti paca. There seems to be an association between the muscular arrangement and functional axis of the foot, raising the general question why this axis runs between the third and forth digit, or along the third digit. |
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Authors:
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Oscar Rocha-Barbosa; Mariana F C Loguercio; Sabine Renous; Jean-Pierre Gasc |
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Publication Detail:
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Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't Date: 2006-09-27 |
Journal Detail:
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Title: Zoology (Jena, Germany) Volume: 110 ISSN: 0944-2006 ISO Abbreviation: Zoology (Jena) Publication Date: 2007 |
Date Detail:
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Created Date: 2007-01-02 Completed Date: 2007-03-02 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9435608 Medline TA: Zoology (Jena) Country: Germany |
Other Details:
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Languages: eng Pagination: 58-65 Citation Subset: IM |
Affiliation:
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Laboratório de Zoologia de Vertebrados (Tetrapoda), Departamento de Zoologia, Universidade do Estado do Rio de Janeiro, 524, Maracanã 20550-013, Rio de Janeiro, RJ, Brazil. obarbosa@uerj.br |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Animals Forelimb / anatomy & histology* Hindlimb / anatomy & histology* Muscle, Skeletal / anatomy & histology* Phylogeny Rodentia / anatomy & histology* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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