Birgersson L, Friberg U, Rask-Andersen H, Erwall C, Widenfalk B
Department of Otolaryngology, University Hospital, Uppsala, Sweden.
ORL J Otorhinolaryngol Relat Spec. 1992;54(4):188-90. doi: 10.1159/000276296.
Lectin-conjugated horseradish peroxidase (WGA-HRP) was used as a retrograde axonal tracer to determine endolymphatic sac (ES) innervation and the nature of such a nervous supply. WGA-HRP placed into the ES of the guinea pig resulted in labelling of neurons in the ipsilateral sympathetic superior cervical ganglion and the sensory trigeminal ganglion. The number of labelled neurons in the cervical superior ganglion varied according to the survival time with peak labelling occurring after 48 h. Sparse labelling of the sensory trigeminal ganglion was also present after 48 h. The results indicate that sympathetic neurons from the superior cervical ganglion and to a certain extent trigeminal somatosensory neurons innervate the ES or perisaccular tissue. If these findings reflect the existence of a sympathetic functional reflex unit remains to be elucidated.
凝集素结合辣根过氧化物酶（WGA-HRP）被用作逆行轴突示踪剂，以确定内淋巴囊（ES）的神经支配以及这种神经供应的性质。将WGA-HRP注入豚鼠的内淋巴囊后，同侧交感神经颈上神经节和感觉三叉神经节中的神经元被标记。颈上神经节中标记神经元的数量根据存活时间而变化，在48小时后出现标记峰值。48小时后，感觉三叉神经节也出现了稀疏标记。结果表明，颈上神经节的交感神经元以及在一定程度上三叉神经体感神经元支配内淋巴囊或囊周组织。这些发现是否反映了交感神经功能反射单位的存在仍有待阐明。
