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Image Number 52 - Abdominal aorta, aneurysm, thrombus

This is an excellent gross specimen of the luminal surface of the abdominal aorta. The top 1/3 of the screen is the lumen of the aorta lined by fibro-fatty plaques--the yellowish shiny material. A fibro-fatty plaque is an atheroma. The bottom 2/3 of the field is occupied by the large thrombus which is seen to fill the saccular dilatation of this aorta--the aneurysm. The common iliacs are forming just distal to the aneurysm at the very bottom of the screen.

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