noun
regulatory T cell; Treg
A subset of T cells that suppress immune responses, important in self-tolerance and autoimmunity. Technical term used in physiology and immunology.
制御性Ｔ細胞は、過剰な免疫反応を抑える働きがある。
Regulatory T cells have the function of suppressing excessive immune responses.
Compound of 制御性 (regulatory property) + T細胞 (T cell). The term is a direct calque from English 'regulatory T cell'.