Assertion: middle ear's ossicle | /r/HasProperty | the operculum
Facets:
Source sentences:
text: In many amphibians, there is also a second auditory ossicle, the operculum (not to be confused with the structure of the same name in fishes).
text: In many amphibians, there is also a second auditory ossicle, the operculum (not to be confused with the structure of the same name in fishes).
text: Crossing the middle ear chamber there is an ossicle called the columella that is connected to the tympanum, and another ossicle, the operculum, that connects this to the oval membrane.