Femoral vein
Vena femoralis · Stehenní žíla
Veins
Looks like
The large deep vein in the groin and thigh, lying beside the femoral artery.
What it does
Returns blood from the whole leg towards the heart.
Keeping it well
A common place for deep vein thrombosis: a leg that is swollen, warm and painful needs a same-day scan. Sudden breathlessness after it is an emergency.