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Medical Term:

pleuroperitoneal hiatus


an opening through the diaphragm, connecting pleural and peritoneal cavities, usually the result of defective development of the pleuroperitoneal membrane in the embryo; if the defect is extensive there may be herniation of digestive organs into the pleural cavity.

Synonym(s): Bochdalek foramen

See Also: diaphragmatic hernia

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.