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 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 2
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