lateral arcuate ligament(redirected from ligamentum arcuatum laterale)
lat·er·al ar·cu·ate lig·a·ment[TA]
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.
Synonym(s): ligamentum arcuatum laterale [TA], arcus lumbocostalis lateralis, lateral lumbocostal arch
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