Lower stimulus frequencies induce higher amplitude relaxation to sling fibers,and conversely,higher stimulus frequencies induce higher amplitude relaxation to clasp fibers.
但两束肌纤维对EFS反应不同,高频刺激时套索纤维舒张幅度较大,低频刺激时钩状纤维舒张幅度大。
参考来源 - 一氧化氮介导人食管下括约肌舒张的作用机制·2,447,543篇论文数据，部分数据来源于NoteExpress
Methods RT-PCR was used to examine the expression of M2 and M3 in clasp fibers and sling fibers.
方法应用rt - PCR方法，研究钩状纤维和套索纤维中M 2、M3的分布与表达。
Conclusion The sling fibers develop much more intensive contraction to CCK-8 and gastrin-17 than clasp fibers, in which CCKA receptors play more important roles.
结论套索纤维对CCK - 8和胃泌素- 17刺激的收缩强度显著大于钩状纤维，CCKA受体在其中发挥着更为重要的作用。
应用推荐