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Ears
Location | Term | Definition |
---|---|---|
Outer Ear | Earflap (pinna) | Funnels, collects, and directs sound |
Outer Ear | Auditory Canal | Lined with hair and earwax. Protects ear and directs sound. |
Middle Ear | Tymphanic Membrane | Vibrates due to air waves, which causes movements of the ossicles |
Middle Ear | Eustacian Tube | Connects the middle ear to the throat. Equalizes air pressure inside and outside the ear. Lined with mucous for lubrication and protection. |
Middle Ear | Ossicles | 3 tiny bones in the inner ear. Amplifies sound and is attached to the oval window. Malleus (hammer), Incus (anvil), Stapes (stirrup) |
Inner ear | Cochlea | Where the auditory receptors are found. Filled with fluid called Endloymph. |
Inner Ear | Static Equilibrium | In the semilunar canals. Maintains balance |
Semilunar Canals (Inner Ear) | Vestibule | Saccule and Utricle. Contains structures that are made up of hair cells and a fluid. |
Inner Ear | Semilunar Canals | Made up of structures called Ampula. Hair cells that move when the head or body is turned. |