Interfascicular cambium A single layer of actively dividing cells between the vascular bundles in stems.
束间形成层是位于茎
维管束间
具有旺盛分裂能

层细胞。
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Also, when the epithelium is continuously damaged and replaced, the new epithelium of the lower esophagus is gradually replaced by a single layer of columnar cells, similar to intestinal cells, that are more adapted to withstand the reflux.
此外,当上
持续受损并被替换时,食管下段
新上

被
层柱状细胞取代,类似于小肠细胞,这些细胞更能经受住反流。
历史 But Hurt and his colleagues have discovered a novel way to block them: with graphene, the substance composed of a single layer of carbon atoms. Hurt and his team asked volunteers to stick their arms into a box full of mosquitoes.
但赫特和他
同事们发现了一种阻断它们
新方法:用石墨烯,这种物质由
层碳
子组成。 赫特和他
团队要求志愿者把手臂伸进一个装满蚊子
盒子里。