Where Is Tympanic Plexus?

Marcus Vance
Marcus Vance
• • 6 min read

In the Middle Ear, the Tympanic Plexus Is Formed on the Tympanic Promontory by Branches of Jacobson's Nerve (Tympanic Branch of the Glossopharyngeal Nerve...

Where Is Tympanic Plexus?

In the middle ear, the tympanic plexus is formed on the tympanic promontory by branches of Jacobson's nerve (tympanic branch of the glossopharyngeal nerve

glossopharyngeal nerve
The glossopharyngeal nerve (/ˌɡlɒsoʊfəˈrɪn(d)ʒiəl, -ˌfærənˈdʒiːəl/), known as the ninth cranial nerve (CN IX), is a mixed nerve that carries afferent sensory and efferent motor information. It exits the brainstem out from the sides of the upper medulla, just anterior (closer to the nose) to the vagus nerve.
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) and caroticotympanic nerves originating from the internal carotid artery plexus.

Where is tympanic plexus located?

In the tympanic cavity, the tympanic nerve (a branch of CN IX) divides into branches which, along with sympathetic fibres from the carotid plexus, form the tympanic plexus. This plexus is located on the surface of the promontory.

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What is a tympanic plexus?

The tympanic plexus is a nerve plexus that is located on the cochlear promontory.

Marcus Vance

Marcus Vance

Cybersecurity & Digital Privacy Researcher
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Marcus Vance is a cybersecurity auditor and technology writer dedicated to educating the public about online safety, data privacy regulations, enterprise security, and emerging cyber threats.