ligamentum arteriosum


lig·a·men·tum ar·te·ri·o·'sum

[TA] fibrous remnant of the ductus arteriosus extending between the aortic arch and the pulmonary trunk. Synonym(s): arterial ligament, Botallo ligament

Botallo,

Leonardo, Italian physician in Paris, 1530-1600. Botallo duct - a fetal vessel connecting the left pulmonary artery with the descending aorta. Synonym(s): ductus arteriosusBotallo foramen - the orifice of communication between the two atria of the fetal heart.Botallo ligament - the remains of the ductus arteriosus. Synonym(s): ligamentum arteriosum