期刊论文详细信息
Pesquisa Veterinária Brasileira
Topographic anatomy of spinal cord in tayra (Eira barbara Linnaeus, 1758
Faria, Marcia M.M.D.1  Adami, Marta1  Silva, Ricardo D.G.1  Rekowsky, Bruna S.S.1  Almeida, Ana E.F.S.1  Pinto, Maria G.F.1 
[1] Universidade Federal da Bahia, Salvador, Brazil
关键词:  Anatomy;    spinal cord;    tayra;    Eira Barbara;    nervous system;    wild animal;   
DOI  :  10.1590/S0100-736X2015001000009
来源: Colegio Brasileiro de Patologia Animal-CBPA
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【 摘 要 】

:An adult male cadaver of a tayra (Eira barbara) was given by the Center of Triage of Wild Animals (Cetas) in Salvador, Bahia, to the Sector of Veterinary Anatomy, College of Veterinary Medicine and Animal Sciernce at the Federal University of Bahia. Eira barbara is a carnivorous mammal that belongs to the family Mustelidae, subfamily Mustelinae, and is the only species in the genus Eira. The objective of this study was to investigate the vertebro-medullary topography of the specimen and verify the relationship of the spinal chord with the spinal canal, as well as to identify and find the origin, emergence and number of spinal nerves related to the spinal chord. This study was authorized by the Biodiversity Authorization and Information System (Sisbio-ICMBio/IBAMA nr.43245-1). The specimen was fixed in a 10% solution of formaldehyde and then dissected and radiographed. Eight pairs of cervical spinal nerves and fourteen thoracic nerves were identified, as well as, in the lumbosacral portion of the spinal cord, six lumbar spinal nerves, three sacral, and more than three caudal spinal nerves. The end of the spinal chord was at the level of the fifth lumbar vertebra. The eight cervical medullary segments were found between the first and seventh cervical vertebrae. The fourteen thoracic spinal nerves originated in the cranial portion of the respective vertebrae. The medullary lumbar, sacral and caudal segments were found in the lumbar region of the backbone. The cranial displacement of the medullary segments was observed in the 8th cervical, 3rd, 4th and 5th lumbar vertebrae and all of the sacral and caudal segments. The information obtained could be used for comparative analyses with other species, to better understand the animal and for the preservation of the species.Index

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