Conclusion : phy intranasal administraton obviously improves learning and memory function in mice .
结论：毒扁豆碱鼻腔给药对小鼠学习记忆功能有明显的促进作用。
Significance of preoperative digital subtraction dacryocystogra phy for nasolacrimal stent .
鼻泪管支架植入术前数字减影泪道造影的意义。
Methods : the influence of phy intranasal administration on learning and memory function in mice was investigated by water maze test and passive avoidance responses test ( step down test and step through test ) , and the acetylcholin esterase ( ache ) activity of the plasma and brain was measured after phy intranasal administration .
