aortic aneurysm

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WordNet Dictionary
	Definition:		[n]  an aneurysm of the aorta
	See Also:		aneurysm
Medical Dictionary
	Definition:		Localised ballooning of the aorta, potentially causing pressure on adjacent structures and liability to rupture.
Biology Dictionary
	Definition:		Dangeous ballooning of the aorta (the main artery leaving the heart) which is caused by disease in the artery's wall.