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KMID : 0359319890290030223
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Korean Journal of Veterinary Research
1989 Volume.29 No. 3 p.223 ~ p.229
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Studies on reappearance of thymus after orchidectomy in ageing rats
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Abstract
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These studies were carried out to investigate the changes of blood pictures, hitological findings and testosterone concentrations after orchidectomy in ageing rat. The results obtained were summarized as follows:
1. The total W.B.C. counts were 9.27±12×10³/㎜³in the control group, 9.54±34×10³/㎜ in the sham-operation group and 12.08±28×10³/㎜ in the orchidectomy group when it was checked 50days after the operation.
2. The number of lymphocytes after orchidectomy hegan to increase gradually as time passes, thereafter markedly increased 10.12±03×10³/㎜ at 50days after orchidectomy.
3. The concentration of testosterone in serum began to decrease gradually after orchidectomy showed lowest level 1.68±0.61pg/㎖ at 50days after orchidectomy while it was 5.82±0.39pg/㎖ in control group.
4. The histological findings of thymus after orchidectomy were marked increase of thymic lymphocyte, disapearance of fat cells and appearance of mitotic figures.
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