infrahyoids Flashcards

1
Q

sternohyoid

A

O: Manubrium of sternum and medial end of clavicle

I: Body of hyoid

N: C1-C3 by branch of ansa cervicalis

A: Depresses hyoif after elevation during swallowing

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2
Q

Omohyoid

A

O: Superior border of scapula near suprascapular notch

I: Inferior border of hyoid

N: C1-C3 by branch of ansa cervicalis

A: Depresses, retracts and steadies the hyoid

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3
Q

sternothyroid

A

O: Posterior surface of manubrium of sternum

I: Oblique line of thyroid cartilage

N: C2 and C3 by branch of ansa cervicalis

A: Depresses hyoid and larynx

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4
Q

thyrohyoid

A

O: Oblique line of thyroid cartilage

I: Inferior border of body and greater horn of hyoid

N: C1 via hypoglossal nerve

A: Depresses hyoid and elevates the larynx

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