vena comitans


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Noun1.vena comitans - a vein accompanying another structurevena comitans - a vein accompanying another structure; a vein may accompany an artery in such a way that the arterial pulses aid venous return
vein, vena, venous blood vessel - a blood vessel that carries blood from the capillaries toward the heart; "all veins except the pulmonary vein carry unaerated blood"