That's how tight the junctions are, not even a small molecule like glucose can pass between them.

可见胞间连接多么紧密,甚至像葡萄糖这样小的分子也不能通过

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Cells of the epithelium are actually "welded" to one another through these junctions called tight junctions.

上皮细胞通过称为紧密连接的胞间连接,"焊接"在一起

耶鲁公开课 - 生物医学工程探索课程节选

But unfortunately, gas stations, as we all know, they tend to crowd into the same corners, they tend to be on the same road junctions, right?

但是很不幸的是,加油站,如我们所知,它们一般都在设在相同的地点,他们趋向设立于同一个路口,对吧

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The kinds of proteins that sit on a cell surface and form adhesion junctions with neighboring cells, that's one class of cells on the surface.

这些蛋白位于细胞表面,和相邻的细胞建立粘附链接,这是细胞的一个种类

耶鲁公开课 - 生物医学工程探索课程节选

That cells that form tissues often have junctions that hold them together so that they don't fall apart and they exist as a solid piece of tissue.

组织细胞通常通过,细胞连接而联系在一起,所以它们不会分散开来,而保持坚固的组织形态

耶鲁公开课 - 生物医学工程探索课程节选

The cells that take an electrical signal, which is coming down your nerve and convert it into a muscle contraction work this way, so 'neuro' nerve, muscle junctions act based on ligand-gated ion channels.

依靠相同的工作原理,细胞将来自于神经的,电信号传递到细胞收缩肌中,所以神经和肌肉关节运动,都基于配体门控离子通道

耶鲁公开课 - 生物医学工程探索课程节选

These junctions, these red dots here are actually made up of proteins, some are synthesized by one cell, some are synthesized by each other, and they lock together to form a very tight barrier, to form a tight junction between the two cells.

这些红点表示细胞连接,实际上是由蛋白质构成的,有些是由一个细胞单独生成的,有些是由两个细胞共同生成,使这两个细胞紧锁在一起形成紧密的屏障,并在两细胞间形成紧密连接

耶鲁公开课 - 生物医学工程探索课程节选