What is another word for posterior cardinal vein?
Pronunciation: [pɒstˈi͡əɹɪə kˈɑːdɪnə͡l vˈe͡ɪn] (IPA) 
The posterior cardinal vein in the human body is a major blood vessel that runs parallel to the spinal cord. It is responsible for draining blood from the developing kidneys and lower limbs and delivering it to the heart. Synonyms for the posterior cardinal vein include the posterior vena cava, the caudal vena cava, and the inferior vena cava. Additionally, in embryonic development, the posterior cardinal vein is often referred to as the subcardinal vein or the supracardinal vein depending on its location along the spine. Despite having different names, these veins play identical roles in the body, and their function can be easily understood by referring to any of the various synonyms.
