Tympanic nerve
tympanic nerve n.
A nerve from the inferior ganglion of the glossopharyngeal nerve, passing to the tympanic cavity and forming the tympanic plexus that supplies the mucous membrane of the tympanic cavity, the mastoid cells, and the eustachian tube.
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- Tympanic notch
tympanic notch n. The notch in the superior part of the tympanic ring, bridged by the flaccid part of the tympanic membrane. Also called Rivinus incisure, tympanic incisure.
- Tympanic opening of auditory tube
tympanic opening of auditory tube n. An opening located in the front part of the tympanic cavity below the canal for the tensor muscle of the tympanic membrane.
- Tympanic plate
tympanic plate n. The bony plate between the anterior wall of the external acoustic meatus and the posterior wall of the mandibular fossa.
- Tympanic plexus
tympanic plexus n. A plexus that is located on the promontory of the labyrinthine wall of the tympanic cavity, is formed by the tympanic nerve, by an anastomotic branch of the facial nerve, and by sympathetic branches coming from the internal carotid plexus, supplies the mucosa of the middle ear, the mastoid cells, and the […]
- Tympanic ring
tympanic ring n. See tympanic bone.