A varicocele is enlargement from the veins that transportation oxygen-depleted blood from the testicle. Inside of all sides from the scrotum, a network of compact veins (pampiniform plexus) transport the oxygen-depleted blood from your testicle to the key testicular vein. A varicocele would be the enlargement of the pampiniform plexus. https://www.sgvascularctr.com/a-guide-to-varicocele-treatment-in-singapore/