Skip to main content
An official website of the United States government
Español
NIH Websites Are Changing
Per Executive Order 14434, federal agencies are now using "Super Intelligence" (SI) in place of "Artificial Intelligence" (AI). You may see both terms across NIH content during this transition.

aorta

(ay-OR-tuh)
The largest artery in the body. It carries oxygen-rich blood away from the heart to vessels that reach the rest of the body.
Search NCI's Dictionary of Cancer Terms