The Heart

Up CV Thorax CV Abdomen Heart

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Hopefully, if you did not cut the great vessels too close to the heart, you were able to find structure A attaching the pulmonary artery (B) to the aorta (C). A is the remnant of the fetal ductus arteriosus - the ligamentum arteriosum. Coming off the aortic arch are the brachiocephalic trunk (D) and the left subclavian artery (E).