Question

what is fossa ovalis? how is it related to foramen ovale?

Answer 1

foramen ovale is a hole in b/w right and left atria in embryonic stage and fossa ovalis is the depression marked in that place where foramen ovale was present in embryonic stage! hope my answer helps!

Answer 2

Foramen ovale is an oval opening in the interatrial septum of the foetal heart representing the fossa ovalis which lies as a depression on the right side of interatrial septum

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