Ligamentum arteriosum

Arterial bunch
The middle and posterior mediastina. Left side. (Lig. arteriosum labeled at upper right.)
Heart of dog. left ventricle anterior interventricular sulcus right ventricle conus arteriosus pulmonary artery Ligamentum arteriosum aortic arch brachiocephalic artery left subclavian artery right auricle left auricle fat pulmonary vein
Details
From	Left pulmonary artery
To	Descending aorta
Identifiers
Latin	ligamentum arteriosum
TA98	A12.2.01.202
TA2	4092
FMA	13421
Anatomical terminology [edit on Wikidata]

The ligamentum arteriosum (arterial ligament), also known as Botallo's ligament, Harvey's ligament, and Botallo's duct,^[1] is a small ligament attaching the aorta to the pulmonary artery.^{[clarification needed]} It serves no function in adults but is the remnant of the ductus arteriosus formed within three weeks after birth.^{[clarification needed]}