median arcuate ligament(redirected from ligamentum arcuatum medianum)
me·di·an ar·cu·ate lig·a·ment[TA]
a tendinous connection between the crura of the diaphragm that arches over the aorta, forming the anterosuperior margin of the aortic hiatus.
Synonym(s): ligamentum arcuatum medianum [TA]
median arcuate ligament
a tendinous arch that connects the crura of the diaphragm, crossing anteriorly to the aorta at approximately the level of the twelfth thoracic vertebra.