From Wikipedia, the free encyclopedia
B淋巴細胞（B cell）係淋巴細胞嘅一種，喺特異性免疫系統到有住好緊要嘅作用，當遇到抗原嗰陣，佢會分化做漿細胞用抗體打病原體，另一部分嘅B淋巴細胞經過抗原激活後之唔會再變做漿細胞，而係變做記憶B淋巴細胞[1]，當記憶B淋巴細胞認住咗呢隻抗原之後，下一次再遇到相同嘅抗原嗰陣，記憶B淋巴細胞就可以迅速畀反應，大量噉分化做漿細胞釋放抗體。
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