NCIt definition : A vein that starts within the inguinal region and extends to the lower extremities.;
Alternative definition : CDISC: A vein of the thigh; in general it arises from the popliteal vein and drains
into the external iliac vein.; UBERON: In the human body, the femoral vein is a blood vessel that accompanies the
femoral artery in the femoral sheath. It begins at the adductor canal (also known
as Hunter's canal) and is a continuation of the popliteal vein. It ends at the inferior
margin of the inguinal ligament, where it becomes the external iliac vein.;