The foramen ovale:

waelhammad

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2022-11-05

The foramen ovale:

is formed by perforation which forms in septum II just prior to the septum fusing with the endocardial cushions
permits a right to left shunt of blood until the time of birth
becomes fossa ovalis in the mature heart, the floor of which is contributed by septum II
is physiologically patent in approximately 20% of the population
is dependent upon the proper formation of septum spurium for closure

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waelhammad

2022-11-05

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