Uberon definition : A small ligament attached to the superior surface of the pulmonary trunk and the inferior
surface of the aortic arch. It is a nonfunctional vestige of the ductus arteriosus,
and is formed within three weeks of birth. The ligamentum arteriosum is closely related
to the left recurrent laryngeal nerve, a branch of the left vagus nerve. After splitting
from the left vagus nerve, the left recurrent laryngeal loops around the aortic arch
posterior to the ligamentum arteriosum, after which it ascends to the larynx[WP].;
A small ligament attached to the superior surface of the pulmonary trunk and the inferior
surface of the aortic arch. It is a nonfunctional vestige of the ductus arteriosus,
and is formed within three weeks of birth. The ligamentum arteriosum is closely related
to the left recurrent laryngeal nerve, a branch of the left vagus nerve. After splitting
from the left vagus nerve, the left recurrent laryngeal loops around the aortic arch
posterior to the ligamentum arteriosum, after which it ascends to the larynx[WP].
Automatic exact mappings (from CISMeF team)