n. vasodilator
misc. vasodilator nerve
所以，神经元以及支持细胞会对血管的收缩和舒张产生相应的反应。
Also, neurons and support cells called glia may react to the mechanical forces of blood vessels expanding and contracting.
其具有双向调节脑血管痉挛收缩和舒张的作用，对血管神经性头痛具有显 著的疗效。
The medicine combination can regulated the contraction and the relaxation of cerebral vasospasm in bidirectional way and has significant curative effect on the angioneurotic headache.
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