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有不少小孩,出生后抵抗力就比较低,容易受到微生物的侵袭而经常生病,这是为什么呢? 1961年澳大利亚免疫学者米勒做了一个有价值的实验,将刚刚降生的小鼠,切除了其胸腺,结果,很快发生了腹泻、感染等多种疾病,最后迅速死亡。经过解剖证明,小动物的全身淋巴都萎缩,各种淋巴细胞大大减少。如果将这种小动物在死以前,移植上同种小动物的胸腺,上述症状均可迅速消失。
There are many children born after the resistance is relatively low, susceptible to microbial invasion and often sick, why? In 1961 Australian immunologist Miller did a valuable experiment, the newly born mice, resection The thymus, the result, a rapid occurrence of diarrhea, infections and other diseases, the final rapid death. After anatomical evidence, small animals, systemic lymphatic atrophy, a variety of lymphocytes greatly reduced. If the animals before death, transplantation of thymus on the same kind of animals, the symptoms can quickly disappear.