Medical Dictionary

fossa ovalis

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noun fossa oval·is \-ō-ˈva-ləs, -ˈvā-, -ˈvä-\

Medical Definition of fossa ovalis

  1. 1:  a depression in the septum between the right and left atria that marks the position of the foramen ovale in the fetus

  2. 2:  saphenous opening

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