PART E, F, & G: PARANASAL SINUSES & THE HYOID BONE & THE OSSICLES

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6 Terms

1
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what are the four sinuses leading to the nasal passages?

  1. frontal

  2. sphenoidal

  3. ethmoidal

  4. maxillary

<ol><li><p>frontal</p></li><li><p>sphenoidal</p></li><li><p>ethmoidal</p></li><li><p>maxillary</p></li></ol><p></p>
2
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what are 2 functions of the paranasal sinus?

  1. allow skull to inc. in size w/o a change in weight of the bone

  2. inc. the surface area of the nasal mucosa, thus inc. the production of mucus to help moisten and cleanse inhaled air

3
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what important musle is attached to the hyoid bone?

does not articulate with any other one

  • suspended from styloid processes of the temporal bones by ligaments and muscles

  • supports the tongue

<p>does not articulate with any other one</p><ul><li><p>suspended from styloid processes of the temporal bones by ligaments and muscles</p></li><li><p>supports the tongue</p></li></ul><p></p>
4
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malleus

(hammer) largest; transmits sound vibrations from outer to inner ear

<p>(hammer) largest; transmits sound vibrations from outer to inner ear</p>
5
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incus

(anvil & middle) transmission and amplification of sound

<p>(anvil &amp; middle) transmission and amplification of sound </p>
6
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stapes

(stirrup) smallest; transmits sound vibrations from middle ear to inner ear

<p>(stirrup) smallest; transmits sound vibrations from middle ear to inner ear</p>