During human fetal development, the pulmonary | vedclass

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(C) During fetal development, the $ductus arteriosus$ is a blood vessel that connects the pulmonary artery to the aorta, allowing blood to bypass the

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Ligamentum arteriosum

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(C) During fetal development, the $ductus arteriosus$ is a blood vessel that connects the pulmonary artery to the aorta, allowing blood to bypass the non-functional fetal lungs.After birth, as the lungs begin to function, the $ductus arteriosus$ constricts and closes.This closed, fibrous remnant of the vessel is known as the $ligamentum arteriosum$.

During human fetal development, the pulmonary artery is connected to the aorta by a narrow duct called the ductus arteriosus. What is this structure called after it closes and becomes a fibrous remnant in an adult?

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