支配猫茎突咽肌的运动神经元的定位

Localization of motoneurons innervating the stylopharyngeus muscle in the cat.

作者信息

van Loveren H, Saunders M C, Cassini P, Keller J T

出版信息

Neurosci Lett. 1985 Jul 31;58(2):251-5. doi: 10.1016/0304-3940(85)90173-9.

Abstract

Recent investigations of the nucleus ambiguus (NA) have attempted to identify motoneurons associated with muscles of the larynx and pharynx. However, relatively little attention has been directed to the stylopharyngeus muscle, which is important in elevation of the pharynx in swallowing and speech. The present study was designed to identify the specific location of stylopharyngeus motoneurons within the brainstem. Horseradish peroxidase or fluorescent dye was injected into the stylopharyngeus muscle of 12 cats. Retrogradely labeled cells were located ipsilateral in the rostral NA and retrofacial nucleus. This is the first report to definitively localize stylopharyngeus motoneurons.

摘要

最近对疑核（NA）的研究试图识别与喉和咽肌肉相关的运动神经元。然而，茎突咽肌相对较少受到关注，而该肌肉在吞咽和言语时咽部抬高过程中起着重要作用。本研究旨在确定脑干内茎突咽肌运动神经元的具体位置。将辣根过氧化物酶或荧光染料注射到12只猫的茎突咽肌中。逆行标记的细胞位于同侧的吻侧疑核和面神经后核。这是首次明确确定茎突咽肌运动神经元位置的报告。