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用醛诱发荧光法观察了不同年龄组大鼠翼腭神经节小强荧光（ＳＩＦ）细胞的数量，发现出生１天时ＳＩＦ细胞数量最少，１周内急剧增加，１～２周数量无明显变化，至４周数量继续增加，成年时数量最多，老年时比成年时无明显的数量变化，表明大鼠翼腭神经节ＳＩＦ细胞的数量随年龄增长而增加。
The number of SIF cells in the pterygopalatine ganglion of different age groups was observed by aldehyde-induced fluorescence. The number of SIF cells in the pterygopalatine ganglion at different ages was found to be the least at 1 day of birth. The number of SIF cells increased sharply within 1 week, but there was no significant change from 1 to 2 weeks. The numbers continued to increase in 4 weeks, with the largest number in adulthood. There was no significant change in the number of SIF cells in the pterygopalangi ganglion in the aged compared with that in the adult.