In some cases, new and abnormal blood vessels grow, and in other cases, existing blood vessels swell and leak, according to the U.S. National Eye Institute.
美国国家眼科研究所的研究者认为,该病变在某些情况下可表现为新生及异常血管的增生,而在另一些情况下亦可表现为原有的血管发生肿胀及渗出。
In its earliest stages, retinopathy often has no overt symptoms but can progress over time to a phase in which the blood vessels of the eye leak and rupture easily, eventually causing blindness.
在疾病早期,视网膜病没有明显的症状,但是随着时间的推移能进展到一个阶段:眼血管渗漏断裂,甚至致盲。
Once in the bloodstream, these flying carpets take advantage of the fact that cancer tumors cause nearby blood vessels to leak by using those leaks to penetrate into the tumor.
一旦进入到血液中,这些飞毯利用癌症肿瘤导致附近的血管渗漏这一情况,通过这些漏洞渗入肿瘤中。
In inflammation, the body's immune system causes blood vessels to allow chemicals and blood cells to leak into an infected area, designed to attack the infection, but an over-response can cause harm.
身体的免疫系统使化学物质和血细胞渗出血管,到达炎症部位对抗感染,但是过度的免疫反应会造成伤害。
In inflammation, the body's immune system causes blood vessels to allow chemicals and blood cells to leak into an infected area, designed to attack the infection, but an over-response can cause harm.
身体的免疫系统使化学物质和血细胞渗出血管,到达炎症部位对抗感染,但是过度的免疫反应会造成伤害。
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