3. Nuclei
• The glossopharyngeal & vagus nerves arise from 3
nucleus columns.
Special visceral motor
column of the medulla
Nucleus ambiguus
Preganglionic
parasympathetic column
Dorsal motor nucleus of
vagus
Visceral sensory column Solitary nucleus
45. Vascular loop compression of the
glossopharyngeal N.
• Glossopharyngeal neuralgia in a 56-year-old
woman due to neurovascular contact
between the left CN IX and the vertebral
artery