Of, pertaining to, or causing aneurysms

In an aneurysmal way.

plural of aneurysm

(pathology) An abnormal blood-filled swelling of an artery or vein, resulting from a localized weakness in the wall of the vessel.

(medicine) An aneurysm in which an infectious agent, mostly bacteria grows through the wall of a blood vessel. It leads to an irreversible dilatation of an artery due to destruction of the vessel wall by infection.

plural of mycotic aneurysm