Anatomical components of the ear
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| Pinna (Auricle) | Cavity which ends at the tympanic membrane. It collects sound waves and channels them through the External Auditory Meatus.
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| Tympanic Membrane (Ear Drum) | Found within the middle ear, or tympanic cavity, and is made up of dense connective tissue. It vibrates when hit by sound waves, and passes vibrations to the auditory ossicles.
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| External Auditory Meatus | Canal which channels sound waves to the typanic membrane.
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| Cerumeniferous | Exocrine glands which secrete cerumen (earwax) which traps microorganisms.
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| Tympanic Cavity | Air filled typanic cavity in the temporal lobe.
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| Oval Window | Windows that separate the middle ear from the inner ear.
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| Eustacian Tube | Connects the middle ear to the pharynx (throat).
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| Auditory Ossicles | The bones of the middle ear, which include the malleus (hammer), incus (anvil), and stapes (stirrup).
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| Malleus (Hammer) | Passes on vibrations from the typanic membrane (eardrum) to the incus (anvil).
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| Incus (Anvil) | Receives vibrations from malleus (hammer) and transmits the to the stapes (stirrup).
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| Stapes (Stirrup) | Receives vibrations from incus (anvil) and transmits them to the oval window.
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| Labyrinth | Also known as the inner ear.
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| Osseous Labyrinth | Bony canal in the temporal lobe.
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| Membranous Labyrinth | A tube which lies within the osseous labyrinth and has a similar shape. It contains the fluid endolymph
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| Perilymph | Fluid in between the osseous labyrinth and the membranous labyrinth.
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| Vestibule | Contains prorioreceptors for static equilibrium.
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| Semi-Circular Canal | Contains prorioreceptors for dynamic equilibrium.
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| Cochlea | Contains Organ of Corti which houses the auditory epithelium.
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Created by:
mkowalski
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