“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	object recognition object relational data model object relational mapping object-relation database object-relation database management system object-relation spatial data model object relations school object request broker object request broker, ORB object reuse objects being displayed in wall-sized showcases objects being displayed with a comparative approach object side objects of labour object space object-space focus object space telecentric system object spectral characteristic object spectrum library object stage object state diagram object theorem object theory object tracking objectual interpretation of quantifiers

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