Left testicular vein

Vena testicularis sinistra

CardiovascularBlood vesselsWhole bodyLeft side

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What it is
Ascends beside the gonadal artery on psoas, formed from the pampiniform plexus of the spermatic cord, and drains into the left renal vein at a right angle.
Function
Drains the testis.
Size
~3–4 mm diameter.
Clinical note
Its right-angled entry into the left renal vein is one reason varicoceles are far more common on the left.

Nearby cardiovascular structures Azygos vein, Inferior vena cava, Internal jugular vein, Left common carotid artery, Left vertebral artery, Right testicular vein, Right vertebral artery, Testicular artery