Varicose veins

Numéro d’image : 12645386
Varicose veins
Varicose veins. Close-up of large varicose veins affecting a patient's leg. Varicose veins are veins that have become twisted, distended, and lengthened, due to the presence of defective blood valves. These valves prevent the blood, which should move upwards, from sinking to the feet. Defective valves allow accumulation of blood, causing this knobbly appearance. Leg veins are most commonly affected. Treatment includes the stripping (the surgical removal) of the veins, or sclerotherapy, the injection of the veins with an irritant that eventually blocks them, causing the re-routing of the blood.
Licence : Droits gérés
Crédit: Science Photo Library / Marazzi, Dr. P.
Taille de l’image : 3452 px × 5178 px
Model Release : Disponible
Property Release : Non requis
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