CH 35 Hyoid muscles and larynx

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10 Terms

1
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Action and nerve innervation for stylohyoid

A: hyoid elevation and retraction

N: CN VII (facial nerve)

2
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Action and nerve innervation for digastric, posterior belly

A: Hyoid elevation and retraction

N: CN VII (facial nerve)

3
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Action and nerve innervation for digastric, anterior belly

A: hyoid elevation and protraction

N: CN V (trigeminal nerve)

4
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Action and nerve innervation for mylohyoid

A: hyoid elevation and protraction

N: CN V (trigeminal nerve)

5
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Action and nerve innervation of geniohyoid

A: hyoid elevation and protraction

N: VPR C1 via CN XII (hypoglossal nerve)

6
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Action and nerve innervation for omohyoid, superior belly

A: hyoid depression

N: VPR C1 via branch of ansa cervicalis

7
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Action and nerve innervation for omohyoid, inferior belly

A: hyoid depression

N: VPR C2-3 via branch of ansa cervicalis

8
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Action and nerve innervation for sternohyoid

A: Hyoid depression (immediately after elevation from swallowing)

N: VPR C1-3 via branch of ansa cervicalis

9
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Action and nerve innervation of thyrohyoid

A: hyoid depression (and laryngeal elevation when hyoid is fixed)

N: VPR C1 via CN XII (hypoglossal nerve)

10
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Action and nerve innervation of sternothyroid

A: laryngeal depression (hyoid depression indirectly)

N: VPR C2-3 via branch of ansa cervicalis