Skip to Content
Medical Term:

arcuate line of rectus sheath


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

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.