lateral arcuate ligaments

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).
References in periodicals archive ?
The median arcuate ligament also received the denomination of median crus but due to behavior of this structure and comparing it with other formations in the lumbar part of the diaphragm, for instance, the medial and lateral arcuate ligaments, we judged that the best denomination would be the median arcuate ligament as mentioned in the Nonima Anatomica (1984).

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