Revista brasileira de anestesiologia
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The brachial plexus represents an important network of nerves, commonly approached in nerve blocks prior to surgical procedures. Therefore, the knowledge of its anatomy is indispensable so those procedures can be carried out accordingly. The objective of the present study was to analyze the morphology of brachial plexus cords with special emphasis to its topographic relationships. ⋯ The results were in concordance with the anatomical descriptions of classical authors. This study allowed the analysis of the morphology of the brachial plexus cords, demonstrating its main topographic relationships.