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What do the ductus arteriosus and the foramen ovale become at birth?

User Jschmidt
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Answer: It allows most of the blood from the right ventricle to bypass the fetus's fluid-filled non-functioning lungs. Upon closure at birth, it becomes the ligamentum arteriosum. There are two other fetal shunts, the ductus venosus and the foramen ovale.
User TatsuDn
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