The glutamatergic innervations and the GABAergic innervations are respectively the major excitatory and inhibitory inputs of preganglionic cardiac vagal neurons (CVNs).
谷氨酸能和GABA能支配是心迷走节前神经元(cardiac vagal neuron,CVN)的主要兴奋性和抑制性突触传入。
Objective: To evaluate the value of MR Imaging(MRI) in diagnosing brachial plexus pre-ganglionic injury.
目的：探讨MRI检查在诊断臂丛神经节前损伤中的影像表现和诊断价值。