fossa ovalis

noun

fossa oval·is -ō-ˈva-ləs

-ˈvā-

-ˈvä-

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

: saphenous opening

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“Fossa ovalis.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/fossa%20ovalis. Accessed 8 Feb. 2023.

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