大脑动脉环 [解剖] cerebral arterial circle ; [解剖] Circulus arteriosus cerebri ; Willis ; Willi's artery circle
脑底动脉环 circle of Willis ; Willis Circle
动脉环 arterial ring ; Willis ; [解剖] circulus arteriosus ; [解剖] arterial circle
森下交脉环蝶 Amathuxidia morishitai
铁山脉环线 Iron Range Loop
主动脉环扩张 annuloaortic ectasia ; expansion of aortic circle
颅底动脉环 Willis
肾静脉环 renal collar
桡尺动脉环 radial-ulnar artery loop ; ulnar artery loop
主动脉环 aortic ring ; Isolated rat thoracic aortic rings ; aorta ring
叶密被长硬毛背面的特别是在脉上。花对生。显著被微柔毛有环的花冠筒在里面。
Leaves densely hirsute especially on veins of abaxial surface. Flowers opposite. Corolla tube conspicuously puberulent annulate inside.
结论严格控制适应症，掌握手术时机，食管下端环切术治疗门脉高压并发食管曲张静脉破裂出血止血效果确切，效果较满意。
Conclusions Hemostasis effect was satisfactory using loop cut of lower esophagus for treating esophagus vein bleeding caused by high pressure of portal vein when the chance was suitable.
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