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Anatomy > MOINA of the Neck > Flashcards

MOINA of the Neck Flashcards

1
Q

origin of platysma

A

Deep fascia over pectoralis major and deltoid

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2
Q

insertion of platysma

A

Body of mandible and angle of mouth

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3
Q

nerve supply of platysma

A

Facial nerve cervical branch

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4
Q

action of platysma

A

Depresses mandible and angle of mouth

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5
Q

origin of sternocleidomastoid

A

Manubrium sterni and medial third of clavicle

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6
Q

insertion of sternocleidomastoid

A

Mastoid process of temporal bone and occipital bone

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7
Q

nerve supply of sternocleidomastoid

A

Spinal part of accessory nerve and C2 and 3

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8
Q

action of sternocleidomastoid

A

Two muscles acting together extend head and flex neck; one muscle rotates head to opposite side

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9
Q

origin of posterior belly (digastric)

A

Mastoid process of temporal bone

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10
Q

insertion of posterior belly (digastric)

A

Intermediate tendon is held to hyoid by fascial sling

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11
Q

nerve supply of posterior belly (digastric)

A

Facial nerve

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12
Q

action of posterior belly (digastric)

A

Depresses mandible or elevates hyoid bone

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13
Q

origin of anterior belly (digastric)

A

Body of mandible

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14
Q

insertion of anterior belly (digastric)

A

Intermediate tendon is held to hyoid by fascial sling

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15
Q

nerve supply of anterior belly (digastric)

A

Nerve to mylohyoid

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16
Q

action of anterior belly (digastric)

A

Depresses mandible or elevates hyoid bone

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17
Q

origin of stylohyoid

A

Styloid process

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18
Q

insertion of stylohyoid

A

Body of hyoid bone

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19
Q

nerve supply of stylohyoid

A

Facial nerve

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20
Q

action of stylohyoid

A

Elevates hyoid bone

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21
Q

origin of mylohyoid

A

Mylohyoid line of body of mandible

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22
Q

insertion of mylohyoid

A

Body of hyoid bone and fibrous raphe

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23
Q

nerve supply of mylohyoid

A

Inferior alveolar nerve

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24
Q

action of mylohyoid

A

Elevates floor of mouth and hyoid bone or depresses mandible

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25
Q

origin of geniohyoid

A

Inferior mental spine of mandible

26
Q

insertion of geniohyoid

A

Body of hyoid bone

27
Q

nerve supply of geniohyoid

A

First cervical nerve

28
Q

action of geniohyoid

A

Elevates hyoid bone or depresses mandible

29
Q

origin of sternohyoid

A

Manubrium sterni and clavicle

30
Q

insertion of sternohyoid

A

Body of hyoid bone

31
Q

nerve supply of sternohyoid

A

Ansa cervicalis; C1, 2, and 3

32
Q

action of sternohyoid

A

Depresses hyoid bone

33
Q

origin of sternothyroid

A

Manubrium sterni

34
Q

insertion of sternothyroid

A

Oblique line on lamina of thyroid cartilage

35
Q

nerve supply of sternothyroid

A

Ansa cervicalis; C1, 2, and 3

36
Q

action of sternothyroid

A

Depresses larynx

37
Q

origin of thyrohyoid

A

Oblique line on lamina of thyroid cartilage

38
Q

insertion of thyrohyoid

A

Lower border of body of hyoid bone

39
Q

nerve supply of thyrohyoid

A

First cervical nerve

40
Q

action of thyrohyoid

A

Depresses hyoid bone or elevates larynx

41
Q

origin of inferior belly (omohyoid)

A

Upper margin of scapula and suprascapular ligament

42
Q

insertion of inferior belly (omohyoid)

A

Intermediate tendon is held to clavicle and first rib by fascial sling

43
Q

nerve supply of inferior belly (omohyoid)

A

Ansa cervicalis; C1, 2, and 3

44
Q

action of inferior belly (omohyoid)

A

Depresses hyoid bone

45
Q

origin of superior belly (omohyoid)

A

Lower border of body of hyoid bone

46
Q

insertion of superior belly (omohyoid)

A

Intermediate tendon is held to clavicle and first rib by fascial sling

47
Q

nerve supply of superior belly (omohyoid)

A

Ansa cervicalis; C1, 2, and 3

48
Q

action of superior belly (omohyoid)

A

Depresses hyoid bone

49
Q

origin of scalenus anterior

A

Transverse processes of third, fourth, fifth, and sixth cervical vertebrae

50
Q

insertion of scalenus anterior

A

First rib

51
Q

nerve supply of scalenus anterior

A

C4, 5, and 6

52
Q

action of scalenus anterior

A

Elevates first rib; laterally flexes and rotates cervical part of vertebral column

53
Q

origin of scalenus medius

A

Transverse processes of upper six cervical vertebrae

54
Q

insertion of scalenus medius

A

First rib

55
Q

nerve supply of scalenus medius

A

Anterior rami of cervical nerves

56
Q

action of scalenus medius

A

Elevates first rib; laterally flexes and rotates cervical part of vertebral column

57
Q

origin of scalenus posterior

A

Transverse processes of lower cervical vertebrae

58
Q

insertion of scalenus posterior

A

Second rib

59
Q

nerve supply of scalenus posterior

A

Anterior rami of cervical nerves

60
Q

action of scalenus posterior

A

Elevates second rib; laterally flexes and rotates cervical part of vertebral column

Anatomy (7 decks)

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