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采用木瓜蛋白酶处理的兔红细胞花环形成试验和兔抗豚鼠免疫球蛋白标记的免疫微球花环形成试验及乳胶颗粒吞噬试验分别测定了2～4用龄豚鼠胸腺的T淋巴细胞、B淋巴细胞和吞噬细胞。结果显出:T淋巴细胞和B淋巴细胞分别占胸腺细胞的69～78％和0.7～2.6％。胸腺吞噬细胞含量甚少。胸腺T、B淋巴细胞总数随动物周龄、胸腺重量的增加而增加。第2～3周龄平均每日增加T细胞4029万、B细胞14万;第3～4周龄平均每日增加T细胞4986万、B细胞71万。第3～4周龄比第2～3周龄动物平均每日多增加T、B淋巴细胞各57万。
Papain-treated rabbit erythrocyte rose formation assay and rabbit anti-guinea pig immunoglobulin-labeled immune microsphere garnet formation assay and latex particle phagocytosis assay determined T-lymphocytes, B-lymphocytes, and phagocytosis of the thymus of 2- to 4-year old guinea pigs, respectively. cell. The results showed that T lymphocytes and B lymphocytes accounted for 69 to 78% and 0.7 to 2.6% of thymocytes, respectively. The thymocyte phagocyte content is very small. The total number of thymus T and B lymphocytes increased with the age of animals and the weight of thymus. At the second to third week of age, the average daily increase in T cells was 40.29 million and B cells were 140,000. On the 3rd to 4th week, the average daily increase was 49.96 million T cells and B cells were 710,000. The average number of T- and B-lymphocytes was increased to 570,000 in the third to fourth weeks of age than in the second to third weeks of age.