Ligamentum Arteriosum Cadaver. The ligamentum arteriosum is generally considered to be a mere a remnant of the embryonic bypass (ductus arteriosus) from the pulmonary circulation to the aortic. Start studying interior anatomy of the human heart cadaver.
The ligamentum arteriosum sits inferior to the aortic arch and superior to the bifurcation of the pulmonary trunk, approximately at the level of the fifth thoracic vertebra. Identify the left vagus nerve and the left recurrent.