Lumbosacral plexus in Brazilian Common Opossum

• Autorzy: Senos R. , Ribeiro M.S. , Benedicto H.G. , Kfoury Junior J.R.
• Języki publikacji: EN

Abstrakty

EN

The opossum has been suggested as an animal model for biomedical studies due to its adaptability to captivity and number of births per year. Despite many studies on morphology and experimental neurology using this opossum model, the literature does not offer details of the nerves of the lumbosacral plexus in this species. Ten lumbosacral plexus were dissected to describe the peripheral innervations of the Brazilian Common Opossum (Didelphis aurita) and compare the results with Eutheria clade species. The tensor fasciae latae muscle was absent and there was only one sartorius muscle for each limb. The distribution of the nerves were similar to other mammals, except for the caudal gluteal nerve, sartorius muscle innervations and the position of the pudendal nerve which arose from the major ischiatic foramen together with the ischiatic nerve, the cranial gluteal nerve and the caudal gluteal nerve. No anatomical variation was found. The special position of the pudendal nerve suggested that the Brazilian Common Opossum is a better model than rats or rabbits in surgical procedures with that specific nerve. In addition, the study revealed that the pelvic limb nerves are not an invariable structure of reference for muscle homology and homonym as reported previously. New investigation using other species of opossums are necessary to best comprehend the lumbosacral plexus distribution in the Methatheria clade and to confirm that other opossum species is eligible as a good model for pudendal nerve studies. (Folia Morphol 2016; 75, 3: 300–305)

• Wydawca: -
• Czasopismo: Folia Morphologica
• Rocznik: 2016
• Tom: 75
• Numer: 3
• Opis fizyczny: p.300-305,fig.,ref.

Twórcy

autor

Senos R.

• Department of Morphology, Universidade Federal Fluminense, Rua Prof Hernani de Melo, 101 CEP 24210-130 Niteroi, RJ, Brazil
• Section of Anatomy of the Domestic and Wild Animals, Faculty of Veterinary Medicine and Zootechinics, Universidade de Sao Paulo, Sao Paulo, Brazil

autor

Ribeiro M.S.

• Department of Morphology, Universidade Federal Fluminense, Niteroi, RJ, Brazil

autor

Benedicto H.G.

• Department of Morphology, Universidade Federal Fluminense, Niteroi, RJ, Brazil

autor

Kfoury Junior J.R.

• Section of Anatomy of the Domestic and Wild Animals, Faculty of Veterinary Medicine and Zootechinics, Universidade de Sao Paulo, Sao Paulo, Brazil

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Identyfikatory

DOI

10.5603/FM.a2015.0131