bonelet, ossicle, ossiculum - a small bone; especially one in the middle ear

auditory apparatus - all of the components of the organ of hearing including the outer and middle and inner ears

bodily cavity, cavum, cavity - (anatomy) a natural hollow or sinus within the body

auditory tube, Eustachian tube - either of the paired tubes connecting the middle ears to the nasopharynx; equalizes air pressure on the two sides of the eardrum

malleus, hammer - the ossicle attached to the eardrum

incus, anvil - the ossicle between the malleus and the stapes

stapes, stirrup - the stirrup-shaped ossicle that transmits sound from the incus to the cochlea

ear - the sense organ for hearing and equilibrium

perforated eardrum - an eardrum with a hole or tear in it; can interfere with normal hearing and cause other ear problems

umbo - a slight rounded elevation where the malleus attaches to the eardrum

tissue layer, membrane - a pliable sheet of tissue that covers or lines or connects organs or cells of animals

percussion instrument, percussive instrument - a musical instrument in which the sound is produced by one object striking another