| Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2020: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2019: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2018: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
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| Outline of Final Research Achievements |
We investigated neuronal cell death and nerve regeneration after the varying degrees of resection of the XII nerve in adult rats. Total number of XII neurons decreased after nerve resection and the survival rates of XII neurons were related to distances between resected nerve stamps. Moreover, the number of XII neurons after extensive XII nerve resection declined gradually over a relatively long time period. Furthermore, by injection of retrograde tracer into the tongue after nerve resection, the possibility was suggested that spontaneous neural regeneration occur after nerve resection with a relatively long gap.
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