To tympanic plexus FMA 67562 | TA A14.2.01.142 | |
From internal carotid plexus Latin nervi caroticotympanici | ||
The caroticotympanic nerves are nerves which supply the eardrum ("tympanum") and carotid canal. They are the postganglionic sympathetic fibers from internal carotid plexus which enter the tympanic cavity via the caroticotympanic artery. These fibers join the tympanic plexus which located on the surface of the promontory.
References
Caroticotympanic nerves Wikipedia(Text) CC BY-SA