METHODS: A tight seal whole-cell recording patch-clamp technique was performed to record nicotine-evoked currents in the cultured sympathetic neurons from neonatal rat superior cervical ganglia (SCG).

• 方法:用高阻抗封接膜片箝全细胞记录技术在培养的新生大鼠颈上神经节观察三环哌酯对烟碱诱发电流的作用。