null cell

Japanese: null cell(英語表記)nullcell
null cell

…However, here too, it is known that there are helper T cells that support cellular immunity and suppressor T cells that suppress it, and that complex regulation is carried out in the same way as antibody production. In addition, there are lymphocytes called null cells that are neither T cells nor B cells, and these include natural killer cells that nonspecifically bind to and destroy cancer cells. The immune system is maintained by the combined work of these many types of cells, so it is often referred to as an immunological orchestra. …

*Some of the terminology explanations that mention "null cell" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…しかしここでもまた,細胞性免疫を補助するヘルパーT細胞,抑制するサプレッサーT細胞も存在し,抗体産生と同じように複雑な調節が行われていることが知られている。 そのほかに,T細胞でもB細胞でもないヌル細胞null cellと呼ばれるリンパ球があって,このなかには非特異的に癌細胞に結合して破壊するナチュラルキラー細胞が含まれる。これらの多種類の細胞の総合的な働きで免疫系は維持されているので,しばしば免疫学的オーケストラなどと称される。…

※「null cell」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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