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Medical Definition of Hiatus aorticus
1. The opening in the diaphragm bounded by the two crura, the vertebral column, and the median arcuate ligament, through which pass the aorta and thoracic duct. Synonym: hiatus aorticus, aortic foramen, aortic opening. (05 Mar 2000)
Lexicographical Neighbors of Hiatus Aorticus
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