lateral arcuate ligaments

(redirected from Haller arches)
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lat·er·al ar·cu·ate lig·a·ments

(lat'ĕr-ăl ahrk'yū-ăt lig'ă-mĕnts)
A thickening of the fascia of the quadratus lumborum muscle between the transverse process of the first lumbar vertebra and the twelfth rib on either side that gives attachment to a portion of the diaphragm (one of the Haller arches).