"Varicocele refers to the enlargement of the veins in the scrotum, which supply blood to the testes. Generally, the testes receive blood from one or two arteries, while four to six veins carry impure blood back to the body. In varicocele, the diameter of these veins increases, leading to their dilation. The testes are located outside the body for a specific reason: their temperature n... https://sahyadrihospital.com/videos/what-is-varicocele-and-what-problems-can-it-cause-everything-about-varicocele/