- lumbocostoabdominal triangle
- a space between the obliquus externus abdominis muscle, the serratus posterior inferior, the erector spinae, and the obliquus internus abdominis.
Medical dictionary. 2011.
lumbocostoabdominal triangle
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triangle — In anatomy and surgery, a three sided area with arbitrary or natural boundaries. SEE ALSO: trigonum, region. [L. triangulum, fr. tri , three, + angulus, angle] anal t. [TA] the posterior portion of the perineal region through which the … Medical dictionary
