复层扁平上皮细胞与变移上皮细胞结构有何不同 麻省理工学院生物的研究生有哪些专业，博士呢?
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Neuroscience
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Biochemistry/Biophysics
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Biology/Biological Sciences
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Biology/Biological Sciences
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Microbiology /Bacteriology
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Biomathematics and Bioinformatics
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Biology/Biological Sciences
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Biological and Biomedical Science
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Biochemistry/Biophysics
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上皮细胞是位于皮肤或腔道表层的细胞。
上皮细胞的形状有扁平，柱状等等。
根据分布的器官不同，层数也不同，有多有少。
皮肤外层的上皮细胞普遍角质化，有保护和吸收的作用。
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