Also known as: PA., PA..., PA-
PA has various meanings in the Artery And Arteries category. Discover the full forms, definitions, and usage contexts of PA in Artery And Arteries.
The pulmonary artery carries deoxygenated blood from the heart to the lungs. It is one of the only arteries that carry deoxygenated blood.
Artery And ArteriesLast updated: