Bochdalek's foramen -->
pleuroperitoneal hiatus
medical dictionary

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.

See: diaphragmatic hernia.

Synonyms: Bochdalek's foramen.

(05 Mar 2000)