人体外周血淋巴细胞,根据有无表面免疫球蛋白(SIg)及是否与羊红细胞(SRBC)形成玫瑰花(E),可分为T淋巴细胞(E~+SIg~-)与B淋巴细胞(E~-,SIg~+)。随后又发现一种既无SIg又无E受体的淋巴细胞群体,对这类淋巴细胞Froland与Natvig称为第三群体细胞,Chess称为裸细胞,但这群细胞在细胞表面受体或功能上并不是均一的。Froland提出的第三群体细胞具有 Human peripheral blood lymphocytes can be divided into T lymphocytes (E ~ + SIg ~ -) and B lymphocytes (B cells) according to the presence or absence of surface immunoglobulin (SIg) and the formation of roses with sheep red blood cells E ~ -, SIg ~ +). Subsequently found a neither SIg nor E receptor lymphocyte population, such lymphocytes Froland and Natvig called the third group of cells, Chess called naked cells, but these cells in the cell surface receptors or functions Not uniform on. Froland’s third population of cells has