Veins contain a single-way valves that make sure blood flows in the proper route—toward the heart. This helps prevent backflow and aids from the effective return of blood to the center. This ailment is characterised from the presence of refluxing varicose veins during the reduce abdomen or deep from the https://vascularveindiseasesingap16047.wikibyby.com/1298590/the_fact_about_spider_vein_treatment_singapore_that_no_one_is_suggesting