卵圆孔

oval foramen的用法和样例：

例句

At the right is a probe patent foramen ovale in an adult.右为成年人卵圆孔未闭的探查。
Patent foramen ovale is often discovered during tests for other heart problems.Learning that you have a hole in your heart is understandably worrisome.人们通常因为别的心脏问题接受检查时才发现卵圆孔未闭的存在。

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