Principal unpaired, median artery of the trunk, leading from the paired roots (radices) of the dorsal aorta to the caudal artery.

Principal unpaired, median artery of the trunk, leading from the paired roots (radices) of the dorsal aorta to the caudal artery. Kimmel et al, 1995.

The great arterial trunk that carries blood from the heart to be distributed by branch arteries through the body.

The main trunk of the systemic arteries.

The major arterial trunk that carries oxygenated blood from the left ventricle into the ascending aorta behind the heart, the aortic arch, through the thorax as the descending aorta and through the abdomen as the abdominal aorta; it bifurcates into the left and right common iliac arteries.