The tympanic ring has been held to be the equivalent of the quadrate.
Inflation of the tympanic bullae is thought to be a specialization.
The tympanic and periotic are not fused together, and the periotic has generally no bony union with the rest of the skull.
There is no tympanic cavity or auditory ossicle in relation to the ear.
In relation to basilar length the tympanic bullae of bangsi are longer.
The tympanic bulla is better developed in the Tragulina than in most Ungulates.
This specimen is typical of convexus except for the lesser inflation of the mastoid bullae and tympanic bullae.
The tympanic bullae are less inflated and less protruded from the braincase.
If percussion is resorted to, the animal's chest will give a tympanic, drumlike sound.
The periotic and tympanic are welded together, but not with the squamosal.
tympanic tym·pan·ic (tĭm-pān'ĭk)
Relating to or resembling a drum of the ear.
or tym·pa·nal (tĭm'pə-nəl) Of or relating to the tympanic cavity or membrane.