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aneurysm

Pronunciation: an′yū-rizm

Definition: Circumscribed dilation of an artery or a cardiac chamber, in direct communication with the lumen, usually resulting from an acquired or congenital weakness of the wall of the artery or chamber.

[G. aneurysma (-mat-), a dilation, fr. eurys, wide]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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