- trunk of aortic tree
- trunk of systemic arterial tree
- The large arterial trunk that carries blood from the heart to be distributed by branch arteries through the body.
Definition from: Merriam-Webster's Medical Dictionary by Merriam-Webster Inc.
- The largest artery in the body. It carries oxygen-rich blood away from the heart to vessels that reach the rest of the body.
National Cancer Institute
See also Understanding Medical Terminology.