V2EX b-cell

B-Cell

定义 Definition

B-cell(B 细胞):一种淋巴细胞,属于适应性免疫系统的重要成员,主要功能是产生抗体(通过分化为浆细胞)并参与免疫记忆与抗原呈递。常见语境包括感染、疫苗接种、自身免疫病与淋巴瘤等。(也常写作 B cellB-cell。)

发音 Pronunciation

/bi sl/

例句 Examples

B-cells make antibodies to fight infections.
B 细胞会产生抗体来对抗感染。

After vaccination, some B-cells become memory cells, which helps the body respond faster if the virus returns.
接种疫苗后,一些 B 细胞会变成记忆细胞,这能帮助身体在病毒再次出现时更快作出反应。

词源 Etymology

B-cell 中的 B 最初常被解释为来自 bursa(法氏囊;鸟类中与 B 细胞发育相关的器官),用来与 T-cell(T 来自胸腺 thymus)相区分;在哺乳动物中 B 细胞主要在骨髓(bone marrow)发育,但名称沿用至今。cell 源自拉丁语 cella(小房间),在生物学中引申为“细胞”。

相关词 Related Words

文学与著名作品中的用例 Literary / Notable Works

  • Janeway’s Immunobiology(《简明免疫生物学》)多处系统讲解 B 细胞活化、抗体产生与免疫记忆。
  • Cellular and Molecular Immunology(《细胞与分子免疫学》)以章节形式讨论 B 细胞发育与信号通路。
  • Bruce Alberts et al., Molecular Biology of the Cell(《细胞的分子生物学》)在免疫相关章节中介绍 B 细胞与适应性免疫。
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