Now, the other thing to keep in mind is that for any cell there's not just one receptor on the cell, there are thousands, or hundreds of thousands of receptors.

我们要记住的另一点是,在细胞表面,不仅仅只有一个受体,而是有成千上万甚至更多的受体分子

耶鲁公开课 - 生物医学工程探索课程节选

It refers to usually 'receptors' that are fixed in a cell, on a cell membrane, and 'ligands' which are dispersed throughout the body and free to diffuse around, and occasionally will find the cell.

受体这个词通常代表了,固定于细胞表面的分子,而配体分散于体内各处,能够自由扩散,它们偶尔会与细胞邂逅

耶鲁公开课 - 生物医学工程探索课程节选

That infection occurs because of a ligand receptor interaction on the cell surface where the virus itself is the ligand and it takes advantage of a receptor that's expressed on the cell surface.

感染的发生是由于,配体与细胞表面受体相互作用,病毒是配体,它利用了在,细胞表面表达的受体

耶鲁公开课 - 生物医学工程探索课程节选

When the ligand is present it binds to the receptor outside the cell and it activates this G-protein.

当配体存在并与细胞表面的受体结合时,就会激活G蛋白

耶鲁公开课 - 生物医学工程探索课程节选

These cells can now kill cells that have the correct signature, and the signature is MHC-1 with this foreign antigen associated with it.

而这些细胞现在可以杀伤带标记的细胞,这些标记就是MHC-1表面受体,和与其相联的异己抗原

耶鲁公开课 - 生物医学工程探索课程节选