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在10～20天龄大鼠腰段脊髓切外对运动神经元(MN)进行细胞内记录,发现刺激腹根在38%的 MN 诱发去极化(潜伏期1～4.2 ms),6%诱发超极化(潜伏期1.5～3.5 ms),8%诱发前两者混合的反应,且与逆行峰电位的存否无关.超极化反
Motor neurons (MNs) were excised extracutaneously from the lumbar spinal cord of rats aged 10 to 20 days and found to induce depolarization (latency 1 to 4.2 ms) induced by MN in 38% of the ventral roots and 6% Polarization (latency 1.5 to 3.5 ms), 8% induced a combination of the first two reactions, and has nothing to do with the retrograde peak potential. Hyperpolarization