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选用 Ｗｉｓｔａｒ 系大鼠行保留导管的耳下腺部分切除，分别取材行琥珀酸脱氢酶（ Ｓ Ｄ Ｈ） 酶组织化学染色，研究残存腺体的 Ｓ Ｄ Ｈ 动态变化过程。结果表明， Ｓ Ｄ Ｈ 从术后第３ 天开始升高，至第７ 天达最高峰（ Ｐ ＜ ０ ．０１） ，第７ 周后恢复正常。笔者认为，大鼠耳下腺行保留导管部分切除后，残存腺体再生恢复从第３ 天开始，１ 周时最活跃，第７ 周恢复正常。
The Wistar rats were used to resect the subendothelial gland of the catheter, and the histochemical staining of succinate dehydrogenase (S D H) was performed to study the dynamic changes of S D H in the residual gland. The results showed that SDH increased from the third day after operation to the peak on the seventh day (P <0.01), returning to normal after the seventh week. The author believes that the ear subgluteal preservation of the ductus part of the resection, the residual gland regeneration recovery from the first 3 days, 1 week, the most active, 7 weeks returned to normal.