Figure 5 - Sensory nerve supply of the mucous membrane of the oral cavity and pharynx. From the following article Physiology of oral cavity, pharynx and upper esophageal sphincter Benson T. Massey ...

Figure 3 - Origin of cranial nerves involved in swallowing. From the following article Physiology of oral cavity, pharynx and upper esophageal sphincter Benson T. Massey GI Motility online (2006) ...

Gloss pharyngeal neuralgia can be caused by compression of the gloss pharyngeal nerve. However, no cause is evident in some cases. Like trigeminal neuralgia, it is associated with multiple sclerosis.