The testicles get oxygen-wealthy blood from two testicular arteries — a single artery for both sides in the scrotum. Similarly, You can also find two testicular veins that transport oxygen-depleted blood back again towards the heart. The older you turn into, the more possible you have spider and/or varicose veins. https://www.sgvascularctr.com/varicose-vein-treatment-in-singapore-a-comprehensive-guide/