题目内容

既可来源于髓样干细胞,又可来源于淋巴样干细胞的免疫细胞是()

A. 单核-巨噬细胞
B. 中性粒细胞
C. NK细胞
D. 树突状细胞

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淋巴结的胸腺依赖区是····················································()

A. 皮质区
B. 髓质区
C. 浅皮质区
D. 深皮质区

脾脏的胸腺依赖区是······················································()

A. 脾血窦
B. 索髓
C. 淋巴小结
D. 动脉周围淋巴鞘
E. 边缘区

淋巴结内T细胞约占淋巴细胞的比例为······································()

A. 75%
B. 25%
C. 50%
D. 10%
E. 100%

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