Artery walls — key difference?
Thicker, with more elastic tissue and muscle.
Vein walls — key difference?
Thinner walls, larger lumen, valves present.
Atherosclerosis — definition?
Plaque buildup causing artery narrowing.
Atherosclerosis — clinical effect?
Restricts blood flow, risk of clot, heart attack.
HMG-CoA reductase — role?
Enzyme targeted by statins to lower cholesterol.
Scavenger receptors — function?
Bind and remove modified lipoproteins.
Statins — treatment?
Lower cholesterol, reduce plaque formation.
Surgical treatment — purpose?
Remove or bypass arterial blockages.
Aortic aneurysm — definition?
Vessel wall weakness causing bulge.
Aortic aneurysm — rupture?
Wall tear leading to bleeding.
Thoracic aneurysm — location?
In the chest part of the aorta.
Abdominal aneurysm — clinical?
Often asymptomatic, risk of rupture.
Cerebral aneurysm — location?
In brain vessels, risk of brain hemorrhage.
Aneurysm risk factors?
Age, smoking, family history, male gender.
Endovascular repair — technique?
Catheter-based graft placement.
Postoperative monitoring?
Regular imaging for leaks or complications.
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1. What is an aortic aneurysm?
2. Which statement matches the topic "Anatomical differences between artery and vein walls"?
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