A01_2_05_010

上腰三角Superior lumbar triangle(Trigonum lumbare superius)

Grynfelt's triangle; Lesshaft's space, triangle上腰三角【じょうようさんかく】 Inconstant space beneath the latissimus dorsi and external oblique muscle of the abdomen with the thoracolumbar fascia forming its floor. It is limited superiorly by the twelfth rib and posterior inferior serratus, medially by the erector spinae, and laterally by the internal oblique muscle of the abdomen.(グリファント・ヘルニア三角とも呼ばれる。)

Pocket atlas of human anatomy

 

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