在正常生理条件下，初级感觉传入神经元上存在一些儿茶酚胺能神经纤维的支配，二者之间没有明显的功能联系。
Under normal conditions some catecholaminergic fibers innervate primary afferent neurons and there is no significant functional communication between sympathetic fibers and sensory neurons.
前庭核主要接受前庭初级纤维投射，同时也接受其他感觉系统的传入信息。
The vestibular nucleus mainly receive the primary vestibular afferents, at the same time, they receive afferent signals from other sensory systems as well.
将CT - HRP注入豚鼠迷走神经下神经节，顺行标记沿迷走神经传入的心脏感觉纤维在豚鼠左心房的分布。
CT-HRP was injected into inferior ganglia of vagal nerves of guinea pigs. The distribution of vagal afferent fibers in the guinea pig left atrium was labeled by anterograde transport of CT-HRP.
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