Figure 6 - Distribution of the CN IX (glossopharyngeal).
From the following article
Physiology of oral cavity, pharynx and upper esophageal sphincter
Benson T. Massey
GI Motility online (2006)
doi:10.1038/gimo2
The CN IX provides motor nerve supply to stylopharyngeus muscle and sensory innervation to oropharyngeal mucous membrane through the pharyngeal plexus (Source: Netter medical illustration with permission of Elsevier. All rights reserved.)
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