Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.17/1347
Título: Brachial Plexus Morphology and Vascular Supply in the Wistar Rat
Outros títulos: Morfologia e Vascularização do Plexo Braquial no Rato Wistar
Autor: Almeida, MA
Casal, D
Mafra, M
Mascarenhas-Lemos, L
Martins-Ferreira, J
Ferraz-Oliveira, M
Amarante, J
Goyri-O'Neill, J
Palavras-chave: Animais
Plexo Braquial/Anatomia e Histologia
Nervos Periféricos
Ratos
Ratos Wistar
HSJ CPR
HSJ PAT CLIN
Data: 2013
Editora: Centro Editor e Livreiro da Ordem dos Médicos
Citação: Acta Med Port. 2013 May-Jun;26(3):243-50
Resumo: Introduction: The rat is probably the animal species most widely used in experimental studies on nerve repair. The aim of this work was to contribute to a better understanding of the morphology and blood supply of the rat brachial plexus. Material and Methods: Thirty adult rats were studied regarding brachial plexus morphology and blood supply. Intravascular injection and dissection under an operating microscope, as well as light microscopy and scanning electron microscopy techniques were used to define the microanatomy of the rat brachial plexus and its vessels. Results: The rat brachial plexus was slightly different from the human brachial plexus. The arterial and venous supply to the brachial plexus plexus was derived directly or indirectly from neighboring vessels. These vessels formed dense and interconnected plexuses in the epineurium, perineurium, and endoneurium. Several brachial plexus components were accompanied for a relatively long portion of their length by large and constant blood vessels that supplied their epineural plexus, making it possible to raise these nerves as flaps. Discussion: The blood supply to the rat brachial plexus is not very different from that reported in humans, making the rat a useful animal model for the experimental study of peripheral nerve pathophysiology and treatment. Conclusion: Our results support the homology between the rat and the human brachial plexus in terms of morphology and blood supply. This work suggests that several components of the rat brachial plexus can be used as nerve flaps, including predominantly motor, sensory or mixed nerve fibers. This information may facilitate new experimental procedures in this animal model.
Peer review: yes
URI: http://hdl.handle.net/10400.17/1347
Aparece nas colecções:CPR - Artigos
PAT CLIN - Artigos

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