Aneurysm

（重定向自Ectasis）

Illustration depicting location of abdominal aneurysm

Kontrastmittelverstärkte CT, axialer Schnitt auf Höhe der Gabelung der linken Beckenarterie (art. iliaca communis)

An aneurysm or aneurism (from Greek: ἀνεύρυσμα, aneurysma, "dilation", from ἀνευρύνειν, aneurynein, "to dilate") is a localized, blood-filled balloon-like bulge in the wall of a blood vessel.

Aneurysms can occur in any blood vessel, with examples including aneurysms of the Circle of Willis in the brain, aortic aneurysms affecting the thoracic aorta, and abdominal aortic aneurysms. Aneurysms can also occur within the heart itself.

单词	Ectasis
释义	Ectasis 英语百科 Aneurysm （重定向自Ectasis） An aneurysm or aneurism (from Greek: ἀνεύρυσμα, aneurysma, "dilation", from ἀνευρύνειν, aneurynein, "to dilate") is a localized, blood-filled balloon-like bulge in the wall of a blood vessel. Aneurysms can occur in any blood vessel, with examples including aneurysms of the Circle of Willis in the brain, aortic aneurysms affecting the thoracic aorta, and abdominal aortic aneurysms. Aneurysms can also occur within the heart itself.
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