Anterior Triangle of the Neck Flashcards Preview

Anatomy Head And Neck > Anterior Triangle of the Neck > Flashcards

Flashcards in Anterior Triangle of the Neck Deck (103):
1

Green Arrow

Superior Thyroid artery 

2

muscles within the Superficial (investing) layer of the deep cervical fasica

trapezius (green dot)

sternocleidomastoid (blue dot)

3

pink arrow

groove for the occipital artery

4

red dots

tracheal rings

5

Blue Dot

Isthmus of thyroid gland

6

Blue dots are located within which fascia layer

Pretracheal fascia of the middle layer of the deep cervical fasica

7

Blue arrow

middle thyroid vein

8

Frequency of pyramidal lobe

50%

9

Middle cervical ganglion vertebral levels

C5-C6

10

The internal jugular vein drains the

brain, neck, and face

11

What structures are located within the pretracheal fascia of the middle layer of the deep cervical fasica

  • thyroid gland
  • trachea
  • esophagus

12

Blue Arrow

Nerve to mylohyoid

13

Digastric Anterior belly innervation 

Mandibular nerve (CN V3)

14

areas of the alar fascia

anterior

posterior

15

Purple dot

Thyrohyoid

16

Glossopharyngeal nerve (CN IX) innervates

pharynx 

17

Red Arrow

Lingual artery

18

The hypoglossal nerve innervates the:

muscles of the tongue 

19

Yellow Arrow

Occipital artery

20

Carotid arteries are _______ to interntal juglar veins

medial

21

Purple Arrow:

Geniohyoid

22

Stylohyoid innervation

facial nerve (CN VII)

23

structures that are in the prevertebral fascia of the deep layer of the deep cervical fasica

  • vertebral column
  • vertebral muscles
  • brachial plexus
  • (orange dots)

24

Blue Dot

Omohyoid

25

yellow arrow

jugular foramen

26

Superior cervical ganglion vertebral levels:

C1-C4

27

Mylohyoid innervation 

Mandibular nerve (CN V3)

28

Vagus nerve (CN X) innevates (in the head/neck)

  • pharynx
  • viscera 
  • soft palate

29

Green Arrow

Mandibular nerve (CN V3)

30

rare artery of the anterior triangle (~10%)

thyroid IMA artery- additional blood supply to the thyroid gland as a direct brnach of the aortic arch

31

blue arrow

mastoid process

32

fasica layers of the middle layer of the deep cervical fascia

  • muscular fasica
  • pretracheal fasica
  • buccopharyngeal fascia

33

hitchhiking nerves of the hypoglossal nerve (CN XII)

  • fibers from C1 anterior ramus
  • superior root of the ansa cervicalis 
  • geniohyoid
  • nerve to thyrohyoid

34

Superior Thyroid artery supplies blood to the 

thyroid gland

35

lymph nodes of the neck

superior and inferior deep cervical lymph nodes 

36

green arrow

styloid process

37

Infrahyoid "strap" muscles action

depress/stabilize the hyoid

38

Blue Arrow

Ascending pharyngeal artery

39

Hot pink dots name

Hot pink dots are within which fasica layer

 

infrahyoid muscles

musular fascia of the middle layer of the deep cervical fasica

40

green arrow

alar fascia

41

green dot

thyroid cartilage

42

Infrahyoid "strap" muscles

  • sternohyoid
  • omohyoid
  • sternothyroid
  • thyrohyoid

43

The cervical sympathetic chain lies ___________ to carotid sheath

posterior and medial

44

Red Arrow

pyramidal lobe

45

orange line fascia

prevertebral fasica of the deep layer of the deep cervical fasica

46

Red dot

Sternothyroid

47

Yellow Arrow

Superior thyroid artery

48

Blue Arrow

Mylohyoid muscle

49

red arrow

mastoid notch

(groove for the digastric)

50

posterior alar fasica opens 

into the mediastinum

"danger space"

51

Digastric posterior belly innervation 

Facial Nerve (CN VII)

52

Occipital artery supplies blood to the

skin on the posterior surface of the head

53

Ansa cervicalis innervates

motor to infrahyoid muscles 

54

Red Arrow:

Digastric muscle

55

Ansa cervicalis location

superficial to carotid sheath

56

Infrahyoid "strap" muscles innervation 

C1-C4 anterior rami

57

Diagastric anterior belly origin

Digastric fossa (chin-ish area)

58

Blue Arrow

carotid sinus and carotid body

59

Arteries of the anterior triangle:

  • superior thyroid
  • ascending pharyngeal 
  • lingual
  • facial
  • occipital

60

Facial Nerve (CN VII) innervates

  • stylohyoid
  • posterior digastric
  • platysma 

61

Inferior cervical ganglion vertebral level

C7-C8

62

Purple Arrow

Inferior thyroid artery

63

Purple Arrow

Larynx

64

Geniohyoid innervation 

C1 anterior ramus

65

blue arrow

lesser horn of the hyoid bone

66

red arrow

greater horn of the hyoid bone

67

Green Arrow

Superior thyroid vein

68

Layers of the deep fascia of the neck

  • Superficial layer
  • Middle Layer
  • Deep layer

69

Muscle that lies within the superficial fascia of the neck

playsma muscle

(green arrow)

70

Digastric posterior belly origin

mastoid notch

71

Stellate ganglion vertebral level

C7-T1

72

Red line surrounds:

superficial (investing) layer of the deep cervical fasica

73

Nerve to mylohyoid of the anterior triangle innervates:

mylohyoid

anterior digastric 

74

Red Arrow

Facial Nerve (CN VII)

75

Transverse cervical nerve innervates:

sensory to skin of anterior triangle 

76

blue dot

cricoid cartilage

77

Green Arrow:

Stylohyoid

78

The isthmus of the thyroid is at vertebral level:

C7

79

Green Dot:

Sternohyoid

80

anterior alar fascia stops at the

superior mediastinum "true retropharyngeal space"

81

Green Arrow

Glossopharyngeal nerve (CN IX)

82

glands on the thyroid

parathyroid glands in two pairs

83

Superficial fascia of the neck

thin layer subcutaneous tissues

84

Blue dot

sternocleidomastoid

85

blue line

mylohyoid line

86

Green dot

lobes of thyroid gland

87

Red Arrow

Vagus Nerve (CN X)

88

green line

oblique line of thyroid cartilage

89

orange circle

genial tubercles (mental tubercles)

90

green dot

body of the hyoid bone

91

green line fascia layer

buccopharyngeal fascia of the middle layer of the deep cervical fascia 

92

Nerves of the anterior triangle

  • cervical plexus
  • transverse cervical nerve
  • ansa cervicalis
  • hypoglossal nerve + hitchhikers 

93

Red arrow

Inferior thyroid vein

94

origin of the internal jugular vein

jugular foramen

95

green area

digastric fossa

96

Purple Arrow

Facial artery

97

Digastric Insertion

Intermediate tendon (near the horn of the hyoid) 

98

retropharyngeal space function

allows pharyns movement during swallowing

99

the retropharyngeal space is located

between the buccopharyngeal and prevertebral fascia

 

100

Green Arrow

Hypoglossal nerve (CN XII)

101

Ascending pharyngeal artery supplies blood to the

upper pharynx 

102

structures in the carotid sheath

  • carotid arteries
  • internal jugular vein
  • vagus nerve (CN X)

103

green dot

trapezius