The left testicular vein drains into the left renal vein, while the right drains into the inferior vena cava. True or false?

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The main idea is the asymmetric venous drainage pattern of the testes. The right testicular vein returns directly to the inferior vena cava, while the left testicular vein drains into the left renal vein, which then empties into the IVC. This means the left side uses the left renal vein as its immediate conduit, whereas the right side has a direct path to the IVC. Clinically, this arrangement helps explain why left-sided varicoceles are more common, since the left renal vein can experience higher pressures (for example, from compression between the aorta and the superior mesenteric artery), which can be transmitted back to the left testicular vein. The important point is that testicular venous drainage is into the systemic venous system, not into the portal or hepatic veins.