The dorsal vessel is prolonged anteriorly into an aorta, through which the blood is propelled into the great After Miall and Denny, The Cockroach, Lovell body-cavity or haemoReeve & Co.
In the primitive form a single anterior aorta is given off from the ventricle, the two together representing the dorsal blood-vessel of Chaetopods.
It was later discovered that Ritter's death was due to a torn aorta.
Abdominal ultrasonography showed swollen lymph nodes around the abdominal aorta.
The aorta is the large artery that takes blood from the left ventricle of the heart to the body.