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Anatomy > The Neck > Flashcards

The Neck Flashcards

1
Q

posterior triangle boundaries

A

sternocleidomastoid
clavicle
trapezius

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2
Q

contents of posterior triangle

A 
Spinal Accessory N
Cervical Plexus (C1-4)
Brachial Plexus (C5-T1)
Phrenic N
Intrinsic N's to muscles of the neck
superficial cervical A&V
Suprascapular A&V
External Jugular V
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3
Q

Nerves of the cervical plexus

A 
Lesser Occipital (C2)
Great Auricular (C2-3)
Transverse Cervical (cutaneous N) (C2-3)
Supraclavicular N (C3-4)
Ansa Cervicalis (C1-3)
Phrenic N (C3-5)
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4
Q

what 2 veins unite to form external jugular vein

A

posterior division of retromandibular vein

posterior auricular vein

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5
Q

what vein does external jugular vein drain into?

A

subclavian vein

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6
Q

what muscle is external jugular vein superficial to

A

sternocleidomastoid

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7
Q

which nerve lies on the anterior part of levator scapulae muscle belly

A

spinal accessory nerve

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8
Q

which nerve rests on the muscle belly of anterior scalene

A

phrenic

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9
Q

what muscles do the roots of the brachial plexus emerge between

A

anterior and middle scalene

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10
Q

muscles of the posterior triangle

A 
levator scapulae
scalenus anterior
scalenus medius
scalenus posterior
inferior belly of omohyoid
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11
Q

innervation of scalene muscles

A

segmental innervation from ventral rami

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12
Q

innervation of omohyoid

A

ansa cervicalis

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13
Q

innervation of levator scapulae

A

segmental innervation from ventral rami

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14
Q

innervation of sternocleidomastoid

A

spinal accessory N

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15
Q

what nerve lies on the muscle belly of scalenus medius

A

long thoracic

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16
Q

what nerve emerges between scalenus medius and scalenus posterior

A

dorsal scapular nerve

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17
Q

anterior triangle boundaries

A

median line of the neck (imaginary)
inferior border of the mandible
sternocleidomastoid

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18
Q

subtriangles of anterior triangle

A

digastric
carotid
muscular

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19
Q

boundaries of digastric triangle

A

anterior belly of digastric
posterior belly of digastric (with stylomastoid)
base of mandible and line drawn from angle of mandible to mastoid process

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20
Q

arteries found in digastric triangle

A

lingual artery
facial artery
submental artery

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21
Q

veins found in digastric triangle

A

anterior division of retromandibular vein
facial vein
common facial vein

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22
Q

nerves found in digastric triangle

A 
nerve to mylohyoid
lingual nerve
submandibular ganglion
hypoglossal nerve
glossopharyngeal nerve
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23
Q

muscles found in digastric triangle

A

stylohyoid
mylohyoid
digastric
stylopharyngeus

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24
Q

glands found in digastric triangle

A

submandibular and sublingual salivary glands

25
Q

innervation of anterior belly of digastric

A

nerve to mylohyoid

26
Q

innervation of posterior belly of digastric

A

facial N

27
Q

innervation of stylohyoid

A

facial N

28
Q

innervation of mylohyoid

A

nerve to mylohyoid

29
Q

what nerve lies on the surface of hyoglossus and genioglossus

A

hypoglossal N

30
Q

boundaries of carotid triangle

A

posterior belly of digastric and stylohyoid
superior belly of omohyoid
sternocleidomastoid

31
Q

contents of carotid triangle

A 
carotid sheath
external carotid artery
common facial vein
lingual vein
superior laryngeal nerve
hypoglossal nerve
cervical sympathetic trunk
32
Q

contents of the carotid sheath

A 
common carotid artery
internal carotid artery
internal jugular vein
ansa cervicalis
vagus nerve
33
Q

innervation of carotid sinus

A

glossopharyngeal N

34
Q

function of carotid body

A

monitors CO2 and O2 in blood

stimulates respiration

35
Q

innervation of carotid body

A

glossopharyngeal N

vagus N

36
Q

what drains into internal jugular vein

A 
sigmoid sinus
inferior petrosal sinus
common facial vein
superior and middle thyroid veins
thoracic duct (on L side)
37
Q

internal jugular vein joins with

A

subclavian vein to form brachiocephalic vein

38
Q

nerves of carotid triangle

A 
ansa cervicalis
vagus
hypoglossal
spinal accessory
glossopharyngeal
39
Q

what structure does ansa cervicalis form a loop over

A

carotid sheath

40
Q

ansa cervicalis formed by

A

upper root from C1 ventral ramus

lower root from C2-3 ventral rami

41
Q

vagus nerve found between which 2 structures

A

internal jugular vein and common carotid artery in carotid sheath

42
Q

major branches of vagus N

A

pharyngeal N
superior laryngeal N
recurrent laryngeal N

43
Q

where does recurrent laryngeal nerve enter larynx

A

between inferior pharyngeal constrictor and esophagus

44
Q

where is cervical sympathetic chain located

A

behind carotid sheath

45
Q

muscular triangle boundaries

A

superior belly of omohyoid
median line of the neck (imaginary)
sternocleidomastoid

46
Q

contents of muscular triangle

A 
sternohyoid
sternothyroid
thyrohyoid
superior belly of omohyoid
anterior jugular vein
47
Q

innervation of sternohyoid

A

ansa cervicalis

48
Q

innervation of sternothyroid

A

ansa cervicalis

49
Q

innervation of thyrohyoid

A

hypoglossal N (C1)

50
Q

innervation of omohyoid

A

ansa cervicalis

51
Q

approximately what spinal level does common carotid artery split into internal and external

A

C5

upper border of thyroid cartilage

52
Q

prevertebral muscles

A

longus coli
longus capitus
rectus capitus anterior
rectus capitus lateralis

53
Q

prevertebral muscles innervated by

A

ventral rami

54
Q

Branches of 1st part of subclavian artery

A

Vertebral
Thyrocervical
Internal thoracic

55
Q

Branches of subclavian artery in second part

A

Costs cervical trunk (2)

56
Q

Branches off subclavian artery on 3rd part

A

Dorsal scapular artery

57
Q

Where is 1st part of subclavian artery located

A

Medial to anterior scalene

58
Q

Where is 2nd part of subclavian artery

A

Deep to anterior scalene

59
Q

Where is 3rd part of subclavian artery

A

Lateral to anterior scalene

Anatomy (30 decks)

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