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29 Cards in this Set
- Front
- Back
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Muscles of the Tongue consist of what? |
Of Symmetric halves divided by the median septum |
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Muscles of the tongue are divided into what? |
Intrinsic Extrinsic
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What does Intrinsic mean? |
Inside the tongue |
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What does extrinsic mean? |
Outside/inside |
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What is the Tongue? |
Is a thick vacular mass of muscle anchored to the floor of the mouth by the lingual frenum |
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INTRINSIC |
........... |
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The Intrinsic has how many pairs? |
4 |
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What are the 4 pairs of Intrinsic muscles? |
Superior Longitudinal Transverse Vertical Inferior Longitudinal |
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The Superior Longitudinal is what? |
Most superficial and runs in a longitudinal direction |
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The Transverse is what? |
Deep and runs in the transverse direction |
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The Vertical run what way? |
Vertical |
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The Inferior Longitudinal runs which wat? |
In a longitudinal direction |
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EXTRINSIC |
................ |
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There are how many pairs of the Extrinsic? |
3 pairs |
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All 3 pairs of the Extrinsic end in what? |
Glossus |
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Glossus is greek for what? |
Tongue |
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What are the 3 pairs of the Extrinsic tongue muscle? |
Genioglossus Styloglossus Hypoglossus |
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GENIOGLOSSUS |
.......... |
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What is the origin of the genioglossus? |
Genial tubercles on the mandible |
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What is the insertion of the genioglossus? |
Hyoid bone and tongue |
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What is the action of the Genioglossus? |
Protrudes tongue and depresses parts |
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STYLOGLOSSUS |
.......... |
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The Styloglossus has what origin? |
Styloid process of the temporal bone |
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What is the insertion of the Styloglossus? |
Tongue |
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What is the action of the Styloglossus? |
Retracts tongue |
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HYPOGLOSSUS |
............. |
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What is the origin of the Hypoglossus? |
Greater cornu and body of Hyoid bone |
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What is the insertion of the Hypoglossus? |
Tongue |
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What is the action of the Hypoglossus? |
Depresses the tongue |
