These 3 molecules had a similar distribution in germinal center of lymph nodes, mainly in the cells of paracortical region, the cells in germinal center of lymph follicles and macrophages, etc.

• 3种标记物在淋巴结中的分布大致相同,主要分布在副皮质区的T细胞、淋巴滤泡生发中心B细胞及巨噬细胞等部位。