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第124章 钙盐(2 / 2)

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朱啸林见事态紧张,他接了黄栅的话题说:“学校也不是完全没有想过杰森先生方才提出的方案。但是上个月林震突然出现在南太平洋,整个社会的舆论导向对细胞学院都很不利。

“尤其是针对基因改造计划,各国媒体都给予了非常负面的评论。考虑到舆论压力太大,细胞学院又处于风口浪尖上,所以这个计划暂时搁浅了。”

唐?杰森安静下来想了想,他坚持提议说:“现在全球正好有很多民众开始支持林震,细胞学院应该把握住这次机会,及时联系到那个女生,劝说那个女生明年继续回细胞学院来上学。”

“嗯!我也觉得这次时机我们不能错过!”圆桌上的另外几个元老都表示赞同唐?杰森的观点。

“好。”朱啸林说,“我今天就去和沈一嘉就读的学校沟通,然后联系沈一嘉本人。”

唐?杰森从来都不是一个有耐心的人,他撸一把头上稀疏的头发,顺便甩落几滴鬓间的汗水。“不如现在就去吧,打个电话也要不了多长时间,我们在这里等你的消息。”

这章没有结束,请点击下一页继续阅读!“那……好吧。”朱啸林站起身,独自走出办公室门。

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注1:人体的骨骼中主要有三种细胞——骨细胞,成骨细胞,破骨细胞。

从名字上就能看出,骨细胞就是组成骨头的部分,成骨细胞是制造骨细胞的细胞,而破骨细胞是将骨细胞杀死的细胞。

成骨细胞和破骨细胞终身都在工作,小时候长个子的时候成骨细胞的效率高于破骨细胞,人的骨头就能不断长长长粗。到了成年以后,成骨细胞和破骨细胞的工作效率一样,骨头的形状基本保持不变。

破骨细胞非常重要,因为骨细胞会老化,所以破骨细胞需要把老掉的骨细胞杀死掉,从而腾出空间来给成骨细胞制造一个新的骨细胞作为代替。

上了年纪以后,成骨细胞的工作效率大不如前,可是骨头一直在不断老化,于是破骨细胞的工作效率就会比成骨细胞高。

我们观察到的现象就是骨头里的骨细胞数量一直在不断减少,骨头变成了蜂窝状,这种情况有一个大家耳熟能详的名字——骨质酥松。

年轻人同样会骨质疏松。当年轻人缺钙的时候,成骨细胞没有足够多的的钙盐做原料,不能制造足够多的骨细胞,上述情况会一模一样发生。

而宇航员在太空中出现钙质流失的机制正好相反。太空中没有重力,宇航员的骨骼不用对抗重力。成骨细胞不用工作骨头也不会骨折;破骨细胞则是赶紧把没用的骨细胞杀死掉,好把骨头里的养分用在身体的其他地方。

如此一来,破骨细胞的工作效率就远远大于成骨细胞,储藏钙盐的骨细胞没有了,人就会出现钙质流失。

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