What is tympanic plexus?
The tympanic plexus is a nerve plexus that is located on the cochlear promontory.
Why is the tympanic plexus important?
The branches to the tympanic cavity provide sensory innervation to the mucosa of the tympanic cavity and the internal surface of the tympanic membrane. The cell bodies of these neurons are found in the superior ganglion of the glossopharyngeal nerve.
What is the tympanic membrane of the ear?
Overview. The tympanic membrane is also called the eardrum. It separates the outer ear from the middle ear. When sound waves reach the tympanic membrane they cause it to vibrate.
What nucleus of Vestibulocochlear nerve is cochlear?
The anterior (ventral) cochlear nucleus These nuclei are the most lateral of all the cranial nuclei. They are located medially to the inferior peduncle of the cerebellum in the lateral angle of the rhomboid fossa. In these nuclei are the bodies of second-order neurons of the acoustic pathway.
Is tympanic membrane part of middle ear?
The tympanic membrane divides the external ear from the middle ear. Middle ear (tympanic cavity), consisting of: Ossicles. Three small bones that are connected and transmit the sound waves to the inner ear.
What is monomeric tympanic membrane?
Information: A monomere is a area of thin, transparent tympanic membrane due to the absence of the dense fibrous layer. It usually occurs after a perforation. A monomere will not usually affect the audiogram.