The left ovarian vein drains into which vein?

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Multiple Choice

The left ovarian vein drains into which vein?

Explanation:
Drainage patterns of the gonadal veins show a clear left-right difference. The left ovarian vein typically drains into the left renal vein, which then carries blood to the inferior vena cava. This contrasts with the right ovarian vein, which drains directly into the inferior vena cava. The left renal vein, lying between the aorta and the superior mesenteric artery, collects the left gonadal vein near its hilum before emptying into the IVC. This configuration explains why the left ovarian vein goes to the left renal vein rather than directly to the IVC or to a pelvic vein such as the common iliac.

Drainage patterns of the gonadal veins show a clear left-right difference. The left ovarian vein typically drains into the left renal vein, which then carries blood to the inferior vena cava. This contrasts with the right ovarian vein, which drains directly into the inferior vena cava. The left renal vein, lying between the aorta and the superior mesenteric artery, collects the left gonadal vein near its hilum before emptying into the IVC. This configuration explains why the left ovarian vein goes to the left renal vein rather than directly to the IVC or to a pelvic vein such as the common iliac.

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