释义 |
superior vena cava ThesaurusNoun | 1. | superior vena cava - receives blood from the head and arms and chest and empties into the right atrium of the heart; formed from the azygos and both brachiocephalic veinsprecavavena cava - either of two large veins that return oxygen-depleted blood to the right atrium of the heart |
superior vena cava
superior vena cava[sə′pir·ē·ər ¦vē·nə ′kä·və] (anatomy) The principal vein collecting blood from the head, chest wall, and upper extremities and draining into the right atrium. superior vena cava
vena [ve´nah] (pl. ve´nae) (L.) vein (see also Appendix 2-6).vena ca´va the inferior vena cava and superior vena cava considered as a unit. See Appendix 2-6.inferior vena cava the venous trunk for the lower extremities and the pelvic and abdominal viscera; it empties into the right atrium of the heart. See Appendix 2-6.superior vena cava the venous trunk draining blood from the head, neck, upper extremities, and chest; it empties into the right atrium of the heart. See Appendix 2-6.su·pe·ri·or ve·na ca·va (sŭ-pēr'ē-ŏr vē'nă kā'vă) Returns blood from the head and neck, upper limbs, and thorax to the posterosuperior aspect of the right atrium; formed in the superior mediastinum by union of the two brachiocephalic veins. Synonym(s): vena cava superior [TA] , precava. superior vena cava The final venous channel that returns blood from the head, shoulders, upper limbs and thoracic structures other than the lungs to the upper chamber (atrium) of the right side of the heart.Superior vena cavaThe major vein that carries blood from the upper body to the heart.Mentioned in: Superior Vena Cava SyndromeAcronymsSeeservice callsuperior vena cava Related to superior vena cava: left atrium, right atrium, pulmonary vein, pulmonary valve, pulmonary artery, aorta, tricuspid valve, Right pulmonary arterySynonyms for superior vena cavanoun receives blood from the head and arms and chest and empties into the right atrium of the heartSynonymsRelated Words |