| 词汇 | vena-cava |
| 释义 | vena cava noun[ C ] anatomy specializeduk /ˌviː.nə ˈkeɪ.və/ us /ˌviː.nə ˈkeɪ.və/pluralvenae cavae one of the two very large veins through which blood returns to the heart, one from the upper body and head and one from all of the body below the chest: 腔静脉 The superior(= upper) and inferior(= lower) venae cavae collect blood that has circulated around the body.上腔静脉和下腔静脉汇集环绕人体流动的血液。 The circulatory system & blood ABO accessory pathway adventitia adventitial ANA auricle bicuspid valve corpuscle femoral artery glomus granulocyte haematogenous haemic phagocyte portal system precava pulmonary artery pulmonary vein pulmonic tricuspid valve vena cava | American Dictionaryvena cava noun[ C ] us/ˌvi·nə ˈkeɪ·və/pluralvenae cavaeus/ˌvi·ni ˈkeɪ·vi/ biology one of the two very large veins (= tubes that carry blood) that take blood without oxygen to the heart Examples of vena cavavena cava This difference could be explained by variations in sample site within the inferior venacava. The sinus venosus has been included in the atria with the coronary sinus and a single right-sided superior and inferior venacava. Breathlessness from superior venacava obstruction can be improved through radiotherapy and steroids. Then suturing of the fringe was proceeded toward right hilum beneath aorta and superior venacava, and then to left hilum. Isolated superior venacava draining into the left atrium diagnosed by radionucleide angiography. Venous waveforms in the inferior venacava and ductus venosus are triphasic with peaks corresponding to maximum systolic velocity, maximum diastolic velocity and atrial systole. The inferior venacava is grafted on to the pulmonary arteries if this was not done previously. Circulatory bypass of the right sided of the heart: shunt between superior venacava and distal right pulmonary artery - report of clinical application. Blood from the abdominal inferior venacava (light grey) enters the right atrium. The ductus venosus now forms a continuation of the umbilical vein towards the subcardial inferior venacava. The superior venacava flow has three waves. A proposed pathogenesis of cor triatriatum: impingement of the left superior venacava on the developing left atrium. Closed technique for repair of right superior venacava draining to left atrium. No granules were present in the superior venacava. Isolated right superior venacava into the left atrium detected by contrast echocardiography. See all examples of vena cava These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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