Diseases of blood vessels (vascular diseases) ,

The progression of atherosclerosis (size exaggerated).

Atherosclerosis

Thickening of an arterial wall due to increased cholesterol and macrophages

Aneurysm

Balloon-like bulging of the artery.

Aorta

Diseases of the aorta

Coarctation of the aorta

Narrowing of the aorta at the ductus arteriosus/ligamentum arteriosum.

Aortic dissection

Dissection along the length of the aorta between the layers of the aortic wall and filled with blood.

Aortic aneurysm

Aneurysm of the aorta.

Carotid artery

Diseases of the carotid arteries

Carotid artery stenosis / carotid artery disease 

Narrowing of the carotid artery, typically due to atherosclerosis.

Carotid artery dissection

Dissection along the length of the carotid artery between the layers of the carotid wall and filled with blood.

Deep vein thrombosis (DVT) 

Formation of a thrombus in a deep vein, commonly in the legs.

Traveller's thrombosis / economy class syndrome 

A DVT due to being sedentary during air travel.

Varicose veins

Veins that have become enlarged and tortuous with failed valves, commonly in the legs.

Vasculitis

Inflammation of blood vessels.