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      Innervation of Muscular Axillary Arch by a Branch from Pectoral Loop Translated title: Inervación del Arco Muscular de la Axila por un Ramo Pectoral

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          Abstract

          The latissimus dorsi muscle is a flat and triangular muscle that covers the lumbar region and the inferior part of thorax. This muscle supplied by thoracodorsal nerve(C6, C7,C8), a branch of posterior cord of brachial plexus. Many reports showed that a muscular axillary arch , flat muscle arising from lateral border of latissimus dorsi , may be seen in 7% of the population, but there is little information about the innervation of this part. This report deals with dissecting the axillary region of a 41 year-old male cadaver in which we observed a muscular axillary arch was innervated by a single nerve branch of pectoral loop

          Translated abstract

          El músculo latísimo del dorso es un músculo triangular aplanado que cubre la región lumbar y la parte inferior del tórax. Este músculo está inervado por el nervio toracodorsal (C6, C7,C8), un ramo del fascículo posterior del plexo braquial. Algunos reportes han mostrado que el arco muscular de la axila, es un músculo aplanado que se origina desde el borde lateral del músculo latísimo del dorso y que ha sido encontrado en el 7% de la población, pero es poca la información existente acerca, de la inervación del mismo. Se relata un caso de arco muscular de la axila encontrado en una disección de un cadáver de sexo masculino de 41 años, en el cual se observó la inervación del músculo por un simple nervio ramo del arco pectoral

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          Most cited references5

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          The muscular arch of the axilla and its nerve supply in Japanese adult

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            An unusually medial axillary arch muscule

            A. Dharap (1994)
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              An aberrant muscular nerve to the latissimus dorsi muscular from cutaneus nerve of the arm

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                Author and article information

                Journal
                ijmorphol
                International Journal of Morphology
                Int. J. Morphol.
                Sociedad Chilena de Anatomía (Temuco, , Chile )
                0717-9502
                2005
                : 23
                : 3
                : 279-280
                Affiliations
                [02] orgnameGorgan University of Medical Sciences orgdiv1Department of Anatomy Iran
                [01] orgnameBirjand University of Medical Sciences orgdiv1Department of Anatomy Iran
                Article
                S0717-95022005000300016 S0717-9502(05)02300316
                c20d02ec-8990-446d-aecb-abef65c6ab72

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

                History
                : 08 August 2005
                : 22 June 2005
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 5, Pages: 2
                Product

                SciELO Chile


                Variación muscular,Arco axilar,Inervación,Arco pectoral,Muscular variation,Axillary arch,Innervation,Pectoral loop

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