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Gross Anatomy > Anterior Neck > Flashcards

Anterior Neck Flashcards

1
Q

thyrohyoid O

A

oblique line of thyorid cartilage

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2
Q

thyrohyoid I

A

inferior border of body and greater horn of hyoid

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3
Q

thyrohyoid innervation

A

C1 via hypoglossal nerve

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4
Q

thyrohyoid action

A

depresses hyoid and elevates larynx

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5
Q

stylohyoid O

A

styloid process of temporal bone

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6
Q

stylohyoid I

A

body of hyoid

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7
Q

stylohyoid innervation

A

stylohyoid branch of facial nerve CN VII

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8
Q

stylohyoid action

A

elevates and retracts hyoid, thus elongating floor of mouth

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9
Q

mylohyoid O

A

mylohyoid line of mandible

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10
Q

mylohyoid I

A

mylohyoid raphe and body of hyoid

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11
Q

mylohyoid innervation

A

nerve to mylohyoid

branch of inferior alveolar nerve (from mandibular nerve, CN V3)

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12
Q

mylohyoid action

A

elevates hyoid
floor of mouth
tongue during swallowing and speaking

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13
Q

digastric O

A

anterior belly: digastric fossa of mandible

posterior belly: mastoid notch of temporal bone

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14
Q

digastric I

A

intermediate tendon to body and greater horn of hyoid

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15
Q

digastric innervation

A

anterior belly: nerve to mylohyoid, a branch of inferior alveolar nerve

posterior belly: digastric branch of facial nerve (CN VII)

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16
Q

digastric action

A

working with infrahyoid muscles
depresses mandible against resistance
elevates and steadies hyoid during swallowing and speaking

17
Q

omohyoid O

A

superior border of scapula near suprascapular notch

18
Q

omohyoid I

A

inferior border of hyoid

19
Q

omohyoid innervation

A

C1-C3 by a branch of ansa cervicalis

20
Q

omohyoid action

A

depresses, retracts, and steadies hyoid

21
Q

sternohyoid O

A

manubrium of sternum and medial end of clavicle

22
Q

sternohyoid I

A

body of hyoid

23
Q

sternohyoid innervation

A

C1-C3 by a branhc of ansa cervicalis

24
Q

sternohyoid action

A

depresses hyoid after elevation during swallowing

25
Q

sternothyroid O

A

posterior surface of manubrium of sternum

26
Q

sternothyroid I

A

oblique line of thyroid cartilage

27
Q

sternothyroid innervation

A

C2 and C3 by a branch of ansa cervicalis

28
Q

sternothyroid action

A

depresses hyoid and larynx

29
Q

geniohyoid O

A

inferior mental spine of mandible

30
Q

geniohyoid I

A

body of hyoid

31
Q

geniohyoid innervation

A

C1 via hypoglossal nerve CN Xii

32
Q

geniohyoid action

A

pulls hyoid anterosuperiorly
shortens floor of mouth
widens pharynx

33
Q

SCM and Trapezius

A

review from first exam

Gross Anatomy (22 decks)

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