Aspectos anatômicos dos nervos da coxa de tamanduá- bandeira (Myrmecophaga tridactyla, Linnaeus, 1758)
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Data
2013-10
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Universidade Federal de Minas Gerais, Escola de Veterinária
Resumo
The lack of basic data about wild species, especially concerning the topographic anatomy has
been a barrier to the practice of clinical and surgical procedures in wild animals. Therefore, the aim of this study was to describe the nerves of the thigh of Myrmecophaga tridactyla, approaching its topography, ramification and territory of innervation. For this purpose, six adult cadavers provided by IBAMA-GO (license 99/2011, UFG-CEUA Protocol 015/11), fixed and preserved in 10% aqueous solution of formaldehyde were used. The nerves responsible for the innervation the thigh of the M. tridactyla were the genitofemoral, lateral cutaneous femoral, the femoral and its main branch, the saphenous nerve, the obturator, the cranial gluteal, the sciatic and caudal cutaneous femoral nerves. The femoral branch of the genitofemoral nerve supplied the medial cutaneous region of the thigh and superficial inguinal lymph nodes. The lateral cutaneous femoral nerve branched on the craniomedial and craniolateral cutaneous region of the thigh. The femoral nerve sent branches to iliacus, psoas major and minor, iliopsoas, pectineus, sartorius and quadriceps muscles and the skin of the medial surface of the thigh. The femoral nerve continued as saphenous nerve and both innervated the medial aspect of the thigh and the latter supplied the medial surface of the stifle joint. The obturator nerve innervated the external obturator muscle, including its intrapelvic portion, gracilis and adductor magnus, long and short
muscles. The cranial gluteal nerve branched in the the tensor fascia lata muscle. The sciatic nerve sent branches to gemelli, quadratus femoris, semimembranosus, semitendinosus, long and short biceps femoris muscles and the skin of the lateral surface of the thigh and stifle joint. The caudal cutaneous femoral nerve gave branches to semitendinosus muscle, the region of the ischial tuberosity and caudolateral surface and the thigh. There are considerable differences between the territory of innervation of the nerves of the thigh of the M. tridactyla compared to domestic animals, which in turn makes unfeasible the extrapolation of clinical-surgical procedures and anesthetic protocols used in domestic animals to the giant anteater.
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Palavras-chave
Anestesia, Membro pélvico, Myrmecophagidae, Sistema nervoso periférico, Anesthesia, Myrmecophagidae, Peripheral nervous system, Pelvic limb
Citação
CRUZ, Viviane Souza; CARDOSO, Júlio Roquete; ARAÚJO, Luciana Batalha de Miranda; SOUZA, Paulo Roberto de; ARAÚJO, Eugênio Gonçalves de. Aspectos anatômicos dos nervos da coxa de tamanduá- bandeira (Myrmecophaga tridactyla, Linnaeus, 1758). Bioscience Journal, Uberlândia, v. 29, n. 5, p. 1274-1282, set./out. 2013.