Morphology of the Diaphragm Muscle in Southern Tamandua (Tamandua tetradactyla) and its Importance in Cases of Traumatic Hernia



Título del documento: Morphology of the Diaphragm Muscle in Southern Tamandua (Tamandua tetradactyla) and its Importance in Cases of Traumatic Hernia
Revista: Anais da Academia Brasileira de Ciencias
Base de datos: PERIÓDICA
Número de sistema: 000420311
ISSN: 0001-3765
Autors: 1
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Institucions: 1Universidade Federal Rural da Amazonia, Faculdade de Medicina Veterinaria, Belem, Para. Brasil
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Període: Jun
Volum: 90
Número: 2
Paginació: 1845-1854
País: Brasil
Idioma: Inglés
Tipo de documento: Artículo
Enfoque: Analítico
Resumen en inglés The wall of the diaphragm can be affected by changes caused by physical trauma, allowing the passage of viscera between the abdominal cavity and thoracic cavity, thus reducing the space for pulmonary expansion, leading to the formation of hernia and possible death. Thus, we aimed to characterize, size and determine the topography of the diaphragmatic muscle in the Southern Tamandua, since clinical and surgical activities in wild animals have become a reality more and more present in veterinary medicine. We used six adult animals, x-rayed and dissected, followed by collection of fragments of muscular portions for histological analysis. Initially we observed that the animals presented 17 thoracic vertebrae, 3 lumbar vertebrae and 5 sacral vertebrae. The diaphragm was conformed by three segments: sternal, costal and right and left diaphragm pillar, with presence of tendinous centre that housed the passage of the caudal vena cava, called foramen of the caudal vena cava. Dorsally to the tendinous centre, already in the muscle portion, we located the esophageal and aortic hiatus. These findings, as well as the microscopic, were equivalent to that found in the general literature also, corroborating with descriptions already carried out in other mammals’ diaphragms
Disciplines Biología
Paraules clau: Mamíferos,
Anatomía e histología,
Gastroenterología,
Hernia diafragmática,
Morfología,
Tamandua tetradactyla,
Xenarthra
Keyword: Mammals,
Anatomy and histology,
Gastroenterology,
Diaphragmatic hernia,
Morphology,
Tamandua tetradactyla,
Xenarthra
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