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| fo·ra·men o·val·e [ fə ràymən ō vállee, fə ràymən ō váylee, fə ràymən ō vlee ] (plural fo·ra·men o·val·es) |
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| Definition: |
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opening in fetal heart: an opening in the wall between the two sides of the fetal heart that allows blood to pass from right to left. Sometimes it fails to close after birth and persists into adulthood.
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| [Mid-19th century. < Latin, "oval opening"] |
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