the localization of the rabbit pharyngeal montoneurons in the nucleus ambiguus and peripheral courses of their axons were investigated using injection of retrograde labeling tracers , i.e. , hrp and nuclear yellow , into the individual pharyngeal muscles or using the injection in conjunction with intracranial severing of either the vagal or glossopharyngeal rootlets .
C0031354
pharyngeal
C0031346
pharyngeal muscles