Phillips V J
Postgrad Med J. 1984;60 Suppl 1:13-7.
The tone of bronchial muscle depends on the balance between the activity of the parasympathetic and sympathetic divisions of the autonomic nervous system. It is possible to produce broncho-dilatation either by stimulating the sympathetic pathway with sympathomimetic agents such as fenoterol or inhibiting the action of the parasympathetic system using anti-cholinergic agents such as ipratropium bromide.
支气管肌肉的张力取决于自主神经系统副交感神经和交感神经分支活动之间的平衡。通过使用诸如非诺特罗等拟交感神经药刺激交感神经通路,或使用诸如异丙托溴铵等抗胆碱能药抑制副交感神经系统的作用,都有可能产生支气管扩张。