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  • Title: The distribution and significance of aberrant ganglion cells in the facial nerve trunk of the cat.
    Author: Satomi H, Takahashi K.
    Journal: Anat Anz; 1986; 162(1):41-6. PubMed ID: 3530046.
    Abstract:
    The distribution and peripheral connections of aberrant ganglion cells in the facial nerve trunk of the cat were studied by means of Klüver-Barrera staining and retrograde transport of horseradish peroxidase (HRP). By the Klüver-Barrera staining, aberrant ganglion cells were observed in the facial nerve trunk between the geniculate ganglion and the junction of the auricular branch of the vagus with the facial nerve trunk, although the number varied considerably with each animal. These cells were generally medium-sized and of round or oval shape, with densely stained Nissl substance, the features of which were essentially similar to those of the geniculate ganglion. In cases where HRP injections were made into the anterior wall of the auricle, several HRP-labeled cells were found ipsilaterally in the facial nerve trunk in addition to cell labeling of the geniculate ganglion. The present study in the cat demonstrated that at least some of the aberrant ganglion cells scattered in the facial nerve trunk are parental to the axons to the auricle, subserving the cutaneous sensory function.
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