noun
inferior vena cava
Anatomical term for the large vein that carries deoxygenated blood from the lower body to the heart.
下大静脈は下半身からの血液を心臓に戻す太い静脈です。
The inferior vena cava is a large vein that returns blood from the lower body to the heart.
Superior vena cava; returns blood from the upper body, while 下大静脈 returns blood from the lower body.
Compound of 下 (lower) + 大 (large) + 静脈 (vein), directly describing the anatomical structure.