auditory ossicle
three short and irregular bones that form a chain located in the tympanic cavity of the middle ear
en-US/ˈɔdɪˌtɔɹi ˈɑsɪkəl/
en-GB/ˈɔːdɪtɹɪ ɒsɪkl/
three short and irregular bones that form a chain located in the tympanic cavity of the middle ear