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

Anterior Triangle of the Neck Flashcards

1
Q

Green Arrow

A

Superior Thyroid artery

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2
Q

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

A

trapezius (green dot)

sternocleidomastoid (blue dot)

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3
Q

pink arrow

A

groove for the occipital artery

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4
Q

red dots

A

tracheal rings

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5
Q

Blue Dot

A

Isthmus of thyroid gland

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6
Q

Blue dots are located within which fascia layer

A

Pretracheal fascia of the middle layer of the deep cervical fasica

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7
Q

Blue arrow

A

middle thyroid vein

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8
Q

Frequency of pyramidal lobe

A

50%

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9
Q

Middle cervical ganglion vertebral levels

A

C5-C6

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10
Q

The internal jugular vein drains the

A

brain, neck, and face

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11
Q

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

A
  • thyroid gland
  • trachea
  • esophagus
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12
Q

Blue Arrow

A

Nerve to mylohyoid

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13
Q

Digastric Anterior belly innervation

A

Mandibular nerve (CN V3)

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14
Q

areas of the alar fascia

A

anterior

posterior

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15
Q

Purple dot

A

Thyrohyoid

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16
Q

Glossopharyngeal nerve (CN IX) innervates

A

pharynx

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17
Q

Red Arrow

A

Lingual artery

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18
Q

The hypoglossal nerve innervates the:

A

muscles of the tongue

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19
Q

Yellow Arrow

A

Occipital artery

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20
Q

Carotid arteries are _______ to interntal juglar veins

A

medial

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21
Q

Purple Arrow:

A

Geniohyoid

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22
Q

Stylohyoid innervation

A

facial nerve (CN VII)

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23
Q

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

A
  • vertebral column
  • vertebral muscles
  • brachial plexus
  • (orange dots)
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24
Q

Blue Dot

A

Omohyoid

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25
Q

yellow arrow

A

jugular foramen

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26
Q

Superior cervical ganglion vertebral levels:

A

C1-C4

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27
Q

Mylohyoid innervation

A

Mandibular nerve (CN V3)

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28
Q

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

A
  • pharynx
  • viscera
  • soft palate
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29
Q

Green Arrow

A

Mandibular nerve (CN V3)

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30
Q

rare artery of the anterior triangle (~10%)

A

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

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31
Q

blue arrow

A

mastoid process

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32
Q

fasica layers of the middle layer of the deep cervical fascia

A
  • muscular fasica
  • pretracheal fasica
  • buccopharyngeal fascia
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33
Q

hitchhiking nerves of the hypoglossal nerve (CN XII)

A
  • fibers from C1 anterior ramus
  • superior root of the ansa cervicalis
  • geniohyoid
  • nerve to thyrohyoid
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34
Q

Superior Thyroid artery supplies blood to the

A

thyroid gland

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35
Q

lymph nodes of the neck

A

superior and inferior deep cervical lymph nodes

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36
Q

green arrow

A

styloid process

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37
Q

Infrahyoid “strap” muscles action

A

depress/stabilize the hyoid

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38
Q

Blue Arrow

A

Ascending pharyngeal artery

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39
Q

Hot pink dots name

Hot pink dots are within which fasica layer

A

infrahyoid muscles

musular fascia of the middle layer of the deep cervical fasica

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40
Q

green arrow

A

alar fascia

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41
Q

green dot

A

thyroid cartilage

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42
Q

Infrahyoid “strap” muscles

A
  • sternohyoid
  • omohyoid
  • sternothyroid
  • thyrohyoid
43
Q

The cervical sympathetic chain lies ___________ to carotid sheath

A

posterior and medial

44
Q

Red Arrow

A

pyramidal lobe

45
Q

orange line fascia

A

prevertebral fasica of the deep layer of the deep cervical fasica

46
Q

Red dot

A

Sternothyroid

47
Q

Yellow Arrow

A

Superior thyroid artery

48
Q

Blue Arrow

A

Mylohyoid muscle

49
Q

red arrow

A

mastoid notch

(groove for the digastric)

50
Q

posterior alar fasica opens

A

into the mediastinum

“danger space”

51
Q

Digastric posterior belly innervation

A

Facial Nerve (CN VII)

52
Q

Occipital artery supplies blood to the

A

skin on the posterior surface of the head

53
Q

Ansa cervicalis innervates

A

motor to infrahyoid muscles

54
Q

Red Arrow:

A

Digastric muscle

55
Q

Ansa cervicalis location

A

superficial to carotid sheath

56
Q

Infrahyoid “strap” muscles innervation

A

C1-C4 anterior rami

57
Q

Diagastric anterior belly origin

A

Digastric fossa (chin-ish area)

58
Q

Blue Arrow

A

carotid sinus and carotid body

59
Q

Arteries of the anterior triangle:

A
  • superior thyroid
  • ascending pharyngeal
  • lingual
  • facial
  • occipital
60
Q

Facial Nerve (CN VII) innervates

A
  • stylohyoid
  • posterior digastric
  • platysma
61
Q

Inferior cervical ganglion vertebral level

A

C7-C8

62
Q

Purple Arrow

A

Inferior thyroid artery

63
Q

Purple Arrow

A

Larynx

64
Q

Geniohyoid innervation

A

C1 anterior ramus

65
Q

blue arrow

A

lesser horn of the hyoid bone

66
Q

red arrow

A

greater horn of the hyoid bone

67
Q

Green Arrow

A

Superior thyroid vein

68
Q

Layers of the deep fascia of the neck

A
  • Superficial layer
  • Middle Layer
  • Deep layer
69
Q

Muscle that lies within the superficial fascia of the neck

A

playsma muscle

(green arrow)

70
Q

Digastric posterior belly origin

A

mastoid notch

71
Q

Stellate ganglion vertebral level

A

C7-T1

72
Q

Red line surrounds:

A

superficial (investing) layer of the deep cervical fasica

73
Q

Nerve to mylohyoid of the anterior triangle innervates:

A

mylohyoid

anterior digastric

74
Q

Red Arrow

A

Facial Nerve (CN VII)

75
Q

Transverse cervical nerve innervates:

A

sensory to skin of anterior triangle

76
Q

blue dot

A

cricoid cartilage

77
Q

Green Arrow:

A

Stylohyoid

78
Q

The isthmus of the thyroid is at vertebral level:

A

C7

79
Q

Green Dot:

A

Sternohyoid

80
Q

anterior alar fascia stops at the

A

superior mediastinum “true retropharyngeal space”

81
Q

Green Arrow

A

Glossopharyngeal nerve (CN IX)

82
Q

glands on the thyroid

A

parathyroid glands in two pairs

83
Q

Superficial fascia of the neck

A

thin layer subcutaneous tissues

84
Q

Blue dot

A

sternocleidomastoid

85
Q

blue line

A

mylohyoid line

86
Q

Green dot

A

lobes of thyroid gland

87
Q

Red Arrow

A

Vagus Nerve (CN X)

88
Q

green line

A

oblique line of thyroid cartilage

89
Q

orange circle

A

genial tubercles (mental tubercles)

90
Q

green dot

A

body of the hyoid bone

91
Q

green line fascia layer

A

buccopharyngeal fascia of the middle layer of the deep cervical fascia

92
Q

Nerves of the anterior triangle

A
  • cervical plexus
  • transverse cervical nerve
  • ansa cervicalis
  • hypoglossal nerve + hitchhikers
93
Q

Red arrow

A

Inferior thyroid vein

94
Q

origin of the internal jugular vein

A

jugular foramen

95
Q

green area

A

digastric fossa

96
Q

Purple Arrow

A

Facial artery

97
Q

Digastric Insertion

A

Intermediate tendon (near the horn of the hyoid)

98
Q

retropharyngeal space function

A

allows pharyns movement during swallowing

99
Q

the retropharyngeal space is located

A

between the buccopharyngeal and prevertebral fascia

100
Q

Green Arrow

A

Hypoglossal nerve (CN XII)

101
Q

Ascending pharyngeal artery supplies blood to the

A

upper pharynx

102
Q

structures in the carotid sheath

A
  • carotid arteries
  • internal jugular vein
  • vagus nerve (CN X)
103
Q

green dot

A

trapezius

Anatomy Head And Neck (13 decks)

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