tympanum

Noun
  1. The main cavity of the ear;
    Between the eardrum and the inner ear (synset 105332436)
    is a type of: bodily cavity, cavity, cavum - (anatomy) a natural hollow or sinus within the body
    has:
    • bonelet, ossicle, ossiculum - a small bone; especially one in the middle ear
    • 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
    • hammer, malleus - the ossicle attached to the eardrum
    • anvil, incus - the ossicle between the malleus and the stapes
    • stapes, stirrup - the stirrup-shaped ossicle that transmits sound from the incus to the cochlea
    is a part of: auditory apparatus - all of the components of the organ of hearing including the outer and middle and inner ears
    same as: middle ear, tympanic cavity
  2. The membrane in the ear that vibrates to sound (synset 105326381)
    is a type of: membrane, tissue layer - a pliable sheet of tissue that covers or lines or connects the organs or cells of animals or plants
    subtypes: perforated eardrum - an eardrum with a hole or tear in it; can interfere with normal hearing and cause other ear problems
    has: umbo - a slight rounded elevation where the malleus attaches to the eardrum
    is a part of: ear - the sense organ for hearing and equilibrium
    same as: eardrum, myringa, tympanic membrane
  3. A large hemispherical brass or copper percussion instrument with a drumhead that can be tuned by adjusting the tension on it (synset 103618174)
    is a type of: percussion instrument, percussive instrument - a musical instrument in which the sound is produced by one object striking another
    same as: kettle, kettledrum, timpani, tympani

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