noun🔗ShareVeine caveEither of the two large veins that take oxygen depleted blood, from the upper body and from the lower body, and return it to the right atrium of the heart."The doctor explained that the vena cava is a large vein that brings blood without oxygen back to the heart. "Le médecin a expliqué que la veine cave est une grosse veine qui ramène le sang sans oxygène au cœur.anatomyorganphysiologymedicinebiologybodyChat with AIVocabulary GamePractice Reading