n. 〈拉〉静脉
网络 Virtual Enterprise Network Architecture; 下腔; 维纳
The objective is to explore the roles of color Doppler vena contracta in the evaluation of mitral regurgitation grading.
目的是探讨彩色多普勒静脉收缩术在评估二尖瓣反流分级中的作用。
The right atrium and vena cava were remarkably dilated.
右心房高度扩大,腔静脉亦显著扩张。
The right atrium receives deoxygenated blood from vena cava.
右心房接受从大静脉来的缺氧血液。
The rest of the patients are well to puncture the vena cava.
其余患者穿刺均顺利到达上腔静脉。
This is the classic finding of a persistent left superior vena cava.
这是典型的永存左位上腔静脉。