这些细胞从那里出来通过皮肤的生长迁往动物的肚子。
From there, these cells migrate through the developing skin towards the belly of the animal.
它通过皮肤的不同颜色表示一天的不同时段,白天变黑,夜晚变白。
It indicates the time of day by the colour of its skin, which is dark by day and pale by night.
《星期日时报》报道,一种简单无痛的激光脉冲发可以通过皮肤的毛细血管去分析内皮细胞。
A simple and painless laser pulse applied to the skin analyses endothelial cell that lines the capillaries, reports the Sunday Times.
By taking cells from the skin, for example, or cells from your blood or cells from the bone marrow and keeping them alive in culture, we've been able to study how human cells work and learn a lot about the functioning of human organism.
举例来说,通过从人的皮肤,骨髓,或者血液中提取细胞,并在培养基中培养,就能研究人类细胞是如何工作的,并在一定程度上了解人类机体的功能
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