superior ganglion

noun

Medical Definition of superior ganglion

1 : the upper and smaller of the two sensory ganglia of the glossopharyngeal nerve that may be absent but when present is situated in a groove in which the nerve passes through the jugular foramen

called also jugular ganglion

— compare inferior ganglion sense 1
2 : the upper of the two ganglia of the vagus nerve that is situated at the point where it exits through the jugular foramen

called also jugular ganglion, superior vagal ganglion

— compare inferior ganglion sense 2