pulmonary trunk
I think you are talking about the Aorta.
The aorta is the large artery that comes out of the heart, and is not a bone.
The large blood vessel is called the aorta.
Aorta.
aorta
Aorta
Descending aorta
Aorta (the largest artery, carries blood out of the heart)
Aorta
It is a large artery.
The aorta. It is also the body's largest artery.
The large artery connected to the heart, called the Aorta.