…A general term for a group of cells in the blood that share a common morphological feature of moving with the nucleus at the front among organelles when migrating on glass or plastic surfaces, and play an important role in the immune process. In vertebrates, they are broadly divided into T cells (thymus derived cells) derived from the thymus, and B cells (B lymphocytes) derived from the bursa fabricii or bone marrow in birds. They are also classified by size as small lymphocytes (diameter 6-8 μm, mature lymphocytes) and large lymphocytes (diameter 8-16 μm, immature or rejuvenated small lymphocytes). … *Some of the terminology that refers to "thymus derived cell" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…ガラスやプラスチック面を遊走するとき,細胞小器官のなかで核を先頭にして移動するという運動形態学的共通性を備えた血液中の細胞群の総称で,免疫過程において重要な役割をはたす。脊椎動物では,胸腺由来のT細胞thymus derived cell(Tリンパ球),および鳥類のファブリキウス囊bursa fabriciiないし骨髄bone marrow由来のB細胞(Bリンパ球)に大別される。また大きさから,小リンパ球(直径6~8μm,成熟リンパ球)と大リンパ球(直径8~16μm,小リンパ球の幼若型あるいは若返り型)に分類される。… ※「thymus derived 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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