Then there's a part that's inside the cell sticking down into the cell cytoplasm.
然后还有部分穿过质膜,进入细胞内部,与细胞质相接触
This part of the cell becomes depolarized because it gets the message that it's supposed to depolarize because of all the inputs that impinge on these dendrites.
这一部分细胞会去极化,因为它得到了,树突上接受到的神经冲动所传达的,要求它去极化的信息
The name giving part for the hair cell is so-called a hair bundle.
所以叫毛细胞,是因为这种细胞有一个发状的纤维束。
We talked about last time that part of the process of going from this single cell to multi cellular many celled organisms like we are is cell division.
我们上节课说过,从一个单细胞分裂形成大量细胞,构成的器官的过程,叫做细胞分裂
For now, just picture it in this simple way as a molecule, usually a protein, that's embedded in the cell membrane and many receptors have a part of them that is extracellular.
现在,我只把这种分子图示出来,受体通常是一种蛋白质,它们镶嵌在细胞膜上,很多受体还有部分结构露在细胞外
The other part of the adaptive immune system is the cell mediated immune system and this is an immune where that doesn't involve antibodies but involves cells that are activated in response to a foreign antigen and that utilize cellular means to get rid of it.
获得性免疫系统还包括,细胞免疫,这一免疫反应不包含抗体,但包含可以被激活来应答,并清除外源抗原的免疫细胞
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