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在动物界,胆固醇是最普遍存在的一种固醇,存在于每个细胞和每种组织中,对生长、构造和运输功能均有作用。虽然各种族和各个器官的含量不同,但动物的血清胆固醇水平一般约为100毫克/100毫升左右。在静脉内注射 C~(14)标志的胆固醇后,除脑之外,C~(14)放射活性可自全身各组织中测出。若
In the animal world, cholesterol is the most prevalent steroid present in every cell and in every tissue, and has an effect on growth, architecture and transport functions. Although the content varies between races and organs, animals generally have a serum cholesterol level of about 100 mg / 100 ml. After intravenous injection of C ~ (14) labeled cholesterol, C ~ (14) radioactivity can be detected in all tissues except the brain. If