"We kind of had this wild idea that because these tumor cells are just pouring [out microvesicles], maybe we can actually see it in the blood," Breakefield says.

汉德拉·布雷克菲尔德说：我们的这种原始的想法是基于肿瘤细胞会排出微泡，我们或许可以在血液中开到它。

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And Britain's population of wild deer—bigger now than it has been for hundreds of years—would provide a reservoir of infected blood even if all the diseased farm animals were killed off.

并且假设所有的家畜都被蓝舌病杀光了，英国数目极大的野鹿群——比过去几百年都多——无疑还能提供了一大蓄水池的血液来被感染。

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On left, red blood cells are stained in wild type zebrafish embryos while on the right mutant embryos lacking the enzyme Ago2 fail to produce blood cells.

左图，野生型斑马鱼胚胎已染上红色血细胞，而右图缺乏酶Ago2的变异胚胎则不能产生血细胞。

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Excessive secretion of catecholamines the hormones adrenaline (epinephrine) and noradrenaline (norepinephrine) can lead to persistent high blood pressure or wild fluctuations in your blood pressure, depending on whether the catecholamines are released continuously or in shorter bursts.

CNN: Pheochromocytoma