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Definition of Otoganglion
1. Noun. An autonomic ganglion whose postganglionic fibers are distributed to the parotid gland.
Medical Definition of Otoganglion
1. An autonomic ganglion situated below the foramen ovale medial to the mandibular nerve; its postganglionic, parasympathetic fibres are distributed to the parotid gland. Synonym: ganglion oticum, Arnold's ganglion, auricular ganglion, otoganglion. (05 Mar 2000)