lumbar triangle

(redirected from Lumbar triangle of Petit)

inferior lumbar triangle

[TA]
area of the back (posterior abdominal wall) bounded by edges of the latissimus dorsi and external oblique muscles and iliac crest; herniations occasionally occur here.

lum·bar tri·an·gle

(lŭm'bahr trī'ang-gĕl)
An area in the posterior abdominal wall bounded by the edges of the latissimus dorsi and external oblique muscles and the iliac crest; herniations occasionally occur here.
Synonym(s): trigonum lumbale.

Petit,

Jean L., French surgeon, 1674-1750.
Petit hernia - lumbar hernia occurring in Petit triangle.
Petit herniotomy - herniotomy without incision into the sac.
Petit ligament
Petit lumbar triangle - an area in the posterior abdominal wall. Synonym(s): lumbar triangle