Otic ganglion

Otic Ganglion

The Otic Ganglion (pronounced: /ˈoʊtɪk ˈɡæŋɡliən/) is a small parasympathetic ganglion located immediately below the foramen ovale in the infratemporal fossa and on the medial surface of the mandibular nerve.

Etymology

The term "Otic" is derived from the Greek word "otikos", which means "pertaining to the ear", and "Ganglion" is derived from the Greek word "ganglion", meaning "a swelling or knot".

Anatomy

The Otic Ganglion is one of the four parasympathetic ganglia of the head and neck. It receives its preganglionic parasympathetic fibers from the glossopharyngeal nerve via the lesser petrosal nerve. It sends postganglionic fibers to the parotid gland via the auriculotemporal nerve, causing increased salivation.

Related Terms

• Parasympathetic Ganglia
• Glossopharyngeal Nerve
• Lesser Petrosal Nerve
• Auriculotemporal Nerve
• Parotid Gland

See Also

• Cranial Nerves
• Parasympathetic Nervous System
• Salivation

References

• Gray's Anatomy: The Anatomical Basis of Clinical Practice, 41st Edition
• Snell's Clinical Neuroanatomy, 8th Edition

External links

• Medical encyclopedia article on Otic ganglion
• Wikipedia's article - Otic ganglion

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