<anatomy> Surrounding or adjacent to the aorta. ... (05 Mar 2000) ... 
Type: Term Pronunciation: per′ē-ā-ōr′tik Definitions: 1. Surrounding or adjacent to the aorta.
Periaortic: Around the aorta. The aorta is the great artery that comes from the left ventricle of the heart and delivers oxygen-rich blood to the body. Peri- is a prefix borrowed from the Greek. It means 'around or about.' So perianal is around the anus. For example; pericardial is around the heart, perinatal is around birth, and periumbilical is a...
periaortic Around the aorta.