Posterior Triangle And Root Of The Neck Flashcards Preview

Anatomy Head And Neck > Posterior Triangle And Root Of The Neck > Flashcards

Flashcards in Posterior Triangle And Root Of The Neck Deck (76):
1

Purple Arrow

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Supraclavicular Nerve(s)

2

Purple Arrow

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Costocervical trunk

3

Posterior Triangle of the neck boundaries 

  • Posterior border of sternocleidomastoid,
  • anterior border of trapezius
  • middle 1/3 of clavicle

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4

Splenius capitis muscles run from the ______ -> _________

cervical vertebrae to the skull

5

Blue Arrow:

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Thyrocervical trunk

6

Nerves that run through the root of the neck

  • Vagus (CN X)
  • Reccurent laryngeal
  • phrenic
  • cervical sympathetic trunk

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7

Green Arrow:

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Suprascapular artery

8

Green Dot

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Mastoid Process

9

Red Arrow:

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Distal subclavian artery

10

Green Arrow:

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Vertebral artery (through transverse foramen of cervical vertebrae except C7)

11

What structure run through the scalene gap?

  • Subclavian artery
  • Brachial Plexus

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12

Green Arrow:

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Vagus (CN X)

13

Green dot:

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splenius capitis

14

Longus Coli Origin -> Insertion

Upper thoracic/ Lower cervial vertebral bodies and middle cervical transverse process -> upper cervical vertebral bodies

15

Green Arrow

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External jugular vein

16

Veins of the posterior triangle:

  • External juglar vein
  • posterior auricular vein
  • posterior division of the retromandibular vein
  • drains into subclavian vein

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17

Blue Arrow

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Great Auricular nerve

18

Longus Capitis Origin -> insertion

middle cervical transverse processes -> occipital bone

19

Green Circle

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Nerve point of the neck

20

Blue Arrow

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Subclavian Artery

21

Purple Arrow

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Dorsal Scapular Artery

22

Red Arrow

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Scalenes

23

Red Arrow

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Transverse Cervical nerve

24

The posterior division of the retromandibular vein drains to the:

external jugular vein

25

Red Dot

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Mandible 

26

Green Arrow

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lesser occipital nerve

27

Red Arrow

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Clavicle

28

Arteries that come off of the subclavian atery in the root of the neck

  • vertebral artery
  • internal thoracic atery
  • thyrocervical trunk
  • costocervical trunk
  • Dorsal Scapular artery

29

Which muscle of the posterior triangle of the neck runs in a different direction from the rest?

Inferior belly of omohyoid

30

Longus Capitis innervation

Cervical anterior rami

31

What divides the neck into two superficial triangles? (Regions)

Sternocleidomastoid

32

Blue Arrow

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Posterior Auricular vein

33

Longus Coli Action

flex neck

 

34

Purple Arrow

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Inferior belly of omohyoid

35

Nerves in the posterior triangle are the ________ branches of the _______ plexus

sensory

cervical

36

Green Arrow

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Common Carotid Artery

37

Green Arrow:

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Transverse cervical artery

38

Which cervical vertebrae does not have a sensory nerve?

C1

39

Levator scapulae runs from the ____ -> _____

scapula -> cervical vertebrae

40

Which arteries run through the posterior traingle of the neck?

  • transverse cervical artery
  • suprascapular artery
  • distal subclavian artery
  • dorsal scapular artery

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41

Which cranial nerve runs through the posterior triangle

Spinal Accersory nerve (CN XI) 

42

left thoracic duct drains lymph from:

everywhere except right arm and right upper thorax

43

Arteries of the Thyrocervical trunk

Suprascapular artery (cervical)

Transverse cervical artery (cervical)

Inferior thyroid artery (thryroid)

44

Platysma Origin -> insertion

Inferior border or the mandible/skin of the lower face -> Deltopectoral fascia

 

 

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45

Platysma innervation

Facial Nerve (CN VII)

46

Purple Arrow:

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Cervical sympatheic trunk

47

Blue Arrow:

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Suprascapular artery

48

Purple Arrow:

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Dorsal Subscapular artery (branch of the subclavian)

49

Red Arrow:

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Inferior thyroid artery

50

Sternocleidomastoid action:

Unilateral: lateral flexion, contralateral rotation

Bilateral: inferior flexion Superior Extension

51

Boundaries of the neck:

First rib

Base of skull

Inferior margin of mandible

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52

Longus capitis action

flex neck

flex atanto-occipital joint

53

Scalene gap is between which scalene muscles?

Anterior, Middle

54

The external jugular vein drains to the:

subclavian vein

55

Green Arrow

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Hyoid bone

56

Muscles of the posterior triangle

  • splenius capitis
  • levator scapulae
  • scalenes
  • inferior belly of omohyoid

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57

Blue Dot

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Levator Scapulae

58

Blue Arrow:

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Transverse Cervical Artery

59

The posterior aurciular vein drains to the:

external jugular vein

60

Nerves of the cervical plexus from superior to inferior

  • lesser occipital nerve
  • great auricular nerve
  • transverse cervical nerve
  • supraclavicular nerve(s)

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61

right thoracic duct drains lymph from:

right arm and right upper thorax

62

Sternocleidomastoid Innervation

Spinal accessory nerve (CN XI)

63

Anterior Triangle of the neck boundaries

 

  • anterior border of the sternocleidomastoid,
  • inferior border of the mandible,
  • anterior midline of the neck

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64

Purple dot

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Thyroid cartilage

65

Longus Coli innervation

cervical anterior rami

66

Red Arrow

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Posterior division of the retromandibular vein

67

Structures in the Venous angle

subclavian vein

internal jugular vein

brachiocephalic vein

thoracic duct

right lymphatic duct

68

Sternocleidomastoid Origin -> Insertion

Manubrium, medial 1/3 of clavicle -> mastoid process

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69

Red Arrow

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Internal Thoracic Artery

70

Scalene muscle Origin -> Insertion

Origin: cervical transverse processess

Insertion: 1st rib (anterior, middle)

2nd rib (posterior)

71

Platysma Action

Draws skin of neck superiority and corners of mouth inferiorly

72

Blue Arrow

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Manubrium 

73

Cervical ribs (rare) in the interscalene triangle can compress:

subclavian artery

inferior trunk of the brachial plexus

74

Blue Arrow

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Styloid process

75

Blue Arrow:

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Recurrent Laryngeal Nerve

76

Red Arrow:

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Phrenic nerve