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arcuate line of rectus sheath


Definition: a crescentic line (not always clearly defined) that marks the lower limit of the posterior layer of the sheath of the rectus abdominis muscle.

Synonym(s): linea arcuata vaginae musculi recti abdominisTA, Douglas line, linea semicircularis, semicircular line

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.