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Question
The connection between pulmonary and aortic arches in foetus is
The connection between pulmonary and aortic arches in foetus is
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Solution
The correct option is D Ductus arteriosus
In the developing foetus, the ductus arteriosus also called the ductus Botalli, is a blood vessel connecting the pulmonary artery to the proximal descending aorta. It allows most of the blood from the right ventricle to bypass the foetus's fluid-filled non-functioning lungs. Upon closure at birth, it becomes the ligamentum arteriosum. So, the correct answer is 'Ductus arteriosus'
In the developing foetus, the ductus arteriosus also called the ductus Botalli, is a blood vessel connecting the pulmonary artery to the proximal descending aorta. It allows most of the blood from the right ventricle to bypass the foetus's fluid-filled non-functioning lungs. Upon closure at birth, it becomes the ligamentum arteriosum.
So, the correct answer is 'Ductus arteriosus'
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