superior ganglion

noun

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