Neck Flashcards

(55 cards)

0
Q

Insertion mylohyoid

A

Mylohyoid raphe and body of hyoid

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1
Q

Origin mylohyoid

A

Mylohyoid line of mandible

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2
Q

Innervation of mylohyoid

A

Nerve to mylohyoid

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3
Q

Action of mylohyoid

A

Elevates hyoid, floor of mouth, and tongue during swallowing and speaking

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4
Q

Origin geniohyoid

A

Inferior mental spine of mandible

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5
Q

Insertion geniohyoid

A

Body of hyoid

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6
Q

Innervation of genii ohyoid

A

C1 via hypoglossal nerve

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7
Q

Action of genii ohyoid

A

Pulls hyoid anterosuperiorally, shortens floor of mouth, widens pharnyx

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8
Q

Origin stylohyoid

A

Styloid process of temporal bone

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9
Q

Insertion of stylohyoid

A

Body of hyoid

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10
Q

Innervation of stylohyoid

A

Stylohyoid branch of facial nerve

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11
Q

Action of stylohyoid

A

Elevates and retracts hyoid, thus elongating floor of mouth

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12
Q

Origin of digastric

A

Anterior belly:digastric fossa of mandible

Posterior belly:mastoid notch of temporal bone

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13
Q

Insertion of digastric

A

Intermediate tendon to body and greater horn of hyoid

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14
Q

Innervation of digastric

A

Anterior belly:nerve to mylohyoid

Posterior belly:digastric branch of facial nerve

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15
Q

Action of digastric

A

Depresses mandible against resistance, elevates and steadies hyoid during swallowing and speaking

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16
Q

Origin sternohyoid

A

Manubrium of sternum and medial end of clavicle

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17
Q

Insertion of stern ohyoid

A

Body of hyoid

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18
Q

Innervation of sternohyoid

A

C1-c3 by a branch of ansa cervicalis

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19
Q

Action of sternohyoid

A

Depresses hyoid after elevation during swallowing

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20
Q

Omohyoid origin

A

Superior border of scapula near supra scapular notch

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21
Q

Omohyoid insertion

A

Inferior border of hyoid

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22
Q

Innervation of omohyoid

A

C1-c3 by branch of ansa cervicalis

23
Q

Action of omohyoid

A

Depresses, retracts and steadies hyoid

24
Origin of sternothyroid
Posterior surface of manubrium of sternum
25
Insertion of sternothyroid
Oblique line of thyroid cartilage
26
Innervation of sternothyroid
C2-c3 by branch. Of ansa cervicalis
27
Action of sternothyroid
Depresses hyoid and larynx
28
Origin of thyrohyoid
Oblique line of thyroid cartilage
29
Insertion thyrohyoid
Inferior border of body and greater horn of hyoid
30
Innervation of thyrohyoid
C1 via hypoglossal nerve
31
Action of thyrohyoid
Depresses hyoid and elevates larynx
32
Occipitofrontalis frontal belly origin
Epicranial aponeurosis
33
Insertion frontal belly
Skin and subcutaneous tissue of eyebrows and forehead
34
Action frontal belly
Elevates eyebrows and wrinkles skin of forehead, protracts scalp
35
Origin occipital belly
Lateral two thirds of superior nuchal line
36
Insertion of occipital belly
Epicranial aponeourosis
37
Action of occipital belly
Retracts scalp
38
Origin orbicularis oculi
Medial orbital margin, medial palpebral ligament, lacrimal bone
39
Insertion of orbicularis oculi
Skin around margin of orbit
40
Action of orbicularis oculi
Closes eyelids
41
Origin orbicularis oris
Medial maxilla and mandible, angle of mouth
42
Insertion of orbicularis oris
Mucous membrane of lips
43
Action of orbicularis oris
Tonus closes mouth, phasic contraction compresses and protrudes lips or resist des tension
44
Origin buccinator
Mandible, alveolar processes of maxilla and mandible
45
Insertion of buccinator
Angle of mouth, orbicularis oris
46
Action of buccinator
Presses check against molar teeth
47
Temporalis innervation
Anterior trunk of mandibular nerve, via deep temporal nerve
48
Action of temporalis
Elevates mandible, closes jaw
49
Innervation of masseter
Anterior trunk of mandibular nerve via massetric nerve
50
Action of masseter
Elevates mandible, superficial fibers contribute to protrusion of mandible
51
Innervation lateral pterygoid
Anterior trunk of mandibular nerve via nerves to lateral pterygoid
52
Action of lateral pterygoid
Acting bilaterally, protracts mandible and depresses chin acting unilaterally swings jaw to contra lateral side
53
Innervation of medial pterygoid
Anterior trunk of mandibular nerve via nerve to me dial pterygoid
54
Action of medial pterygoid
Acts with masseter to elevate mandible and contributes to protrusion