Your veins have blood towards your coronary heart. Valves in these veins limit the blood flow to one way. Valves that weaken or that don’t near the right way result in blood to pool (accumulate) in a vein. This is called a varicose vein. rasakan galaknya scatter hitam dengan pola https://www.sgvascularctr.com/service/vein-diseases-varicose-veins/