葡萄胎无血管的绒毛是十分大的。
蛛网膜是由无血管的结缔组织所构成。
The arachnoid is composed of connective tissue devoid of blood vessels.
蛛网膜是由无血管的结缔组织所构成。
The arachnoid is composed of connective tissue devoid of blood vessels .
模型将肿瘤划分为血管丰富的周边区域和无血管的中心区域。
The tumor was divided into the well-perfused peripheral and non- perfused central regions, respectively.
晶状体（lens）为双凸形状，有弹性，是无血管的透明组织，具有复杂的代谢过程。
The lens is a kind of avascular transparent tissue with complex metabolic process.
在血管前期，由于肿瘤的血管生成能力缺失或不足，肿瘤仅有几个立方毫米，由一个或少数几个癌变细胞分裂增殖形成一簇无血管的细胞团。
In the proangiogenesis, because of the insufficiency of the vessel, it is hard for the tumor to sustain the size of few cubic millimeter, which is formed by the cluster of tumor cells.
移植失败的危险因素是角膜血管形成，移植，无晶状体或假晶状体。
The risk factors for graft failure were corneal vascularization, regraft, aphakia or pseudophakia.
在一项对于2500人进行的调查研究中发现，那些每天都会饮用减肥饮料(无糖碳酸饮品)的人群要比不喝的人出现血管方面疾病的风险高出61%。
A study of more than 2, 500 people found those who had diet drinks every day were 61 per cent more likely to get vascular problems than those who did not have any carbonated drinks.
在一项对于2500人进行的调查研究中发现，那些每天都会饮用减肥饮料(无糖碳酸饮品)的人群要比不喝的人出现血管方面疾病的风险高出61%。
A study of more than 2,500 people found those who had diet drinks every day were 61 per cent more likely to get vascular problems than those who did not have any carbonated drinks.
角膜是眼球最前端的圆盘状无血管薄膜。
Cornea is a disc-like avascular film in the most anterior of the eyeball.
在结节硬化型何杰金氏淋巴瘤中，常常在淋巴结内部可见边界十分清楚的圆形无血管或少血管区域，如图5所示。
In Hodgkin's lymphomas of nodular sclerosis type, extremely rounded and very well demarcated avascular or hypovascular intra-parenchymal areas are frequently seen, as shown in Figure 5.
异常的滤泡形态除了有自发泄漏倾向外，也可能会出现囊状及无血管。
Aberrant filtering bleb morphology also may be cystic and avascular as well as prone to spontaneous leakage.
甚至数年后，离接触面最远的一段移植物大部分还是无血管和没有典型地改造成活骨的。
Even after several years of implantation, the portions of the graft most remote from the host interface remain largely avascular and have not typically been remodeled into living bone.
结论：MSCTA是一种无创性成像方法，在脑血管性疾病的诊断和术前术后评价中发挥着重要作用。
Conclusion: as a harmless examination method, MSCTA plays an important role in detection, pre-operational and post-operational evaluation of brain vascular disease.
此外，无糖耐量异常的肥胖与心血管疾病相关，包括冠心病、中风、心力衰竭。
Moreover, obesity in the absence of glucose intolerance is associated with CVD, including coronary heart disease, stroke, and heart failure.
治疗下肢合并血管伤的最佳手术顺序目前仍无定论。
The optimal sequence of surgical repair for lower extremity injury with associated vascular injuries is unclear.
有神经病变或血管病变的糖尿病患者与无这些合并疾病的糖尿病患者和非糖尿病患者相比，并发症的发生率更高。
Diabetic patients with neuropathy or vasculopathy have higher complication rates than both diabetic patients without these comorbidities and nondiabetic patients.
TSGP后血流受损的分支血管影像学显示均有不同程度血流改善，无术后缺血并发症发生。
After TSGP, the blood flow of impaired vessels showed an improvement of different degree. No postoperative ischemic complications occurred.
无严重的血管神经损伤，106例患者术后并发症总发生率4·72%。
No serious blood vessels and nerves injury. Post-operative complication rate accounted for 4.72% in 106 cases.
另外，有颈动脉杂音患者由于心血管病变而死亡的概率是无杂音患者的2.5倍。
Additionally, patients with a carotid bruit were 2.5 times as likely to die because of a cardiovascular-related event.
结论：与PK手术植片衰竭相关的高危因素包括角膜血管化、再次移植、无晶状体眼、人工晶状体眼、虹膜前或虹膜后黏连；
Conclusion:The risk factors for graft failure after PK were corneal vascularization, regraft, aphakia or pseudophakia, presence of anterior or posterior synechia.
一份详尽的病史是心血管疾病诊断的基础，是常规或任意的有创性和无创性检测所不能取代的，况且，这些检测既昂贵又无效。
A thorough history is fundamental to the diagnosis of cardiovascular disease and cannot be replaced by routine or random noninvasive and invasive testing which is expensive and inefficient.
目的探讨通过冷激发(冷加压)试验前后描记末梢动脉血流图这一无创性检测来评估血管内皮细胞的功能。
Objective To evaluate the function of the vas endothelium cell by the peripheral artery blood stream drawing before and after the cold pressor test.
后胸辅搏动器很小，与背血管无直接通道，具有一个没有肌肉的搏动膜。
The metathoracic accessory pulsatory organ is very small and has no direct channels connecting the dorsal vessel, but there is a pulsating membrane without muscle.
人们头部和脸部大约5公里长的血管所具有的复杂性保证了每个人的血管分布是不可再现的，因此也就是独一无二的。
The complexity and vastness of the layout of about 5 kilometers of blood vessels in the head and face assures that each person's vascular arrangement is irreproducible and hence unique.
结论：该技术简单易行，无并发症，是诊断和描绘海绵状血管瘤的准确方法。
Conclusion: We conclude that direct venography is an accurate method of diagnosing and delineating cavernous haemangioma.
结论：该技术简单易行，无并发症，是诊断和描绘海绵状血管瘤的准确方法。
Conclusion: We conclude that direct venography is an accurate method of diagnosing and delineating cavernous haemangioma.
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