※ 引述《waterglassLi (找一天吃猫肉大餐)》之铭言： : 医学一68 答案C 申覆CD : 当抗原侵入血液循环时，抗原在脾脏中遇到B细胞T细胞，抗原侵 : 入血液循环之後流到淋巴循环，在淋巴结中遇到B细胞T细胞， : 所以答案应该C（脾脏）D（淋巴结）给分 : 这一题请大家多多给力...拜托了... 答案：C 申覆：CD 根据.Immunobiology, The Immune System in Health and Disease,(7th ed.) , by C. A. Janeway, P. Travers, M. Walport and M. Shlomchik, - Elsevier/ Churchill Livingstone (2008) p. 18~19 1-15 Lymphocytes encounter and respond to antigen in the peripheral lymphoid organs. ……antigens and lymphocytes eventually encounter each other in the peripheral lymphoid organs—the lymph nodes, spleen, and the mucosal lymphoid tissues. Mature naïve lymphocytes are continually recirculating through these tissues, to which pathogen antigens are carried from sites of infection, primarily by dendritic cells. The peripheral lymphoid organs are specialized to trap antigen-bearing dendritic cells and to facilitate the initiation of adaptive immune reponses. 依照上文叙述lymphoid organs 包括lymph nodes和spleen，所以选项D应该也是对的，建 议将此题答案改成CD --

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