“T细胞阳性选择”的概念、定义、翻译、参考文献-科学参考

单词	T细胞阳性选择
释义	T细胞阳性选择 Encyclopedia 医学T细胞发育释 T cell positive selection/positive selection of T cellsT细胞阳性选择在胸腺皮质中，未成熟的CD4+CD8+双阳性T细胞（DP细胞）所表达的T细胞受体（T cell receptor，TCR）与胸腺上皮细胞表面的自身抗原肽（主要组织相容性复合体Ⅰ类Ⅱ类或分子复合物）结合，诱导分化为成熟的CD4+或CD8+单阳性（single positive）T细胞（SP细胞）的过程。简称阳性选择。
随便看	direct financial payment direct-fired agriculture and forestry biomass for cogeneration of heat and power direct fission yield direct flotation direct flow direct force/aerodynamic blended control direct force control direct formic acid fuel cell direct formic acid fuel cell, DFAFC direct-gap semiconductor direct georeferencing direct glare direct government regulation direct H2O2 fuel cell direct homothety direct hydrazine fuel cell direct hydrazine fuel cell, DHFC direct hydrocarbon indication direct illumination direct image direct impact direct-indicating viscometer direct-indirect bioleaching direct inference, comparative inference and being seemingly evidential or inferential directing

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