inferior ganglion

noun

Medical Definition of inferior ganglion

1 : the lower and larger of the two sensory ganglia of the glossopharyngeal nerve

— called also petrosal ganglion, petrous ganglion

— compare superior ganglion sense 1

2 : the lower of the two ganglia of the vagus nerve that forms a swelling just beyond the exit of the nerve from the jugular foramen

— called also inferior vagal ganglion, nodose ganglion

— compare superior ganglion sense 2