Coneclusion:EA at Neiguan point and IC can protect Z/R myocardium evidently by raising the activity of inhabiting cell membrane lipid peroxidation of myocardial suffered from ischemic reperfusion.

结论：心肌缺血预处理与电针内关通过提高内源性氧自由基清除系统酶的活性，抑制缺血再灌注心肌细胞膜脂质过氧化反应，对缺血再灌注心肌具有明显的保护作用。

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Ceramide is a lipid molecule naturally present in the cell's plasma membrane and controls cell functions, including cell aging, or senescence.

神经酰胺是一种脂质分子，通常存在于在细胞的胞膜上，并且能够调节细胞的功能：包括细胞老化或衰老。

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Cell viability, the change of membrane fluidity, LDH activity in bath and lipid peroxidation injury were investigated by MTT assay, fluorometric technique and spectrophotometric method, respectively.

通过MTT法测定细胞存活率、分光光度法测定细胞LDH漏出率及细胞脂质过氧化水平，采用荧光标记技术研究细胞膜流动性变化。

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It has to be small, and it has to be lipid soluble in order for it to pass through a cell membrane.

这些分子必须非常小,而且必须是脂溶性的,才能穿过细胞膜

耶鲁公开课 - 生物医学工程探索课程节选

I've already mentioned many times that the lipid bilayer, the cell membrane, isn't just a lipid bilayer.

我已经讲过很多遍这个脂质双分子层了,细胞膜它不只是一个脂质双分子层

耶鲁公开课 - 生物医学工程探索课程节选

If a cell membrane was indeed just a lipid bilayer, then glucose could never enter the cell because it can't permeate through cell membranes.

如果细胞膜只是一个脂质双分子层的话,葡萄糖就不可能进入细胞,因为它不能渗透过细胞膜

耶鲁公开课 - 生物医学工程探索课程节选