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Flashcards in The Neck Deck (59):
1

posterior triangle boundaries

sternocleidomastoid
clavicle
trapezius

2

contents of posterior triangle

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

3

Nerves of the cervical plexus

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)

4

what 2 veins unite to form external jugular vein

posterior division of retromandibular vein
posterior auricular vein

5

what vein does external jugular vein drain into?

subclavian vein

6

what muscle is external jugular vein superficial to

sternocleidomastoid

7

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

spinal accessory nerve

8

which nerve rests on the muscle belly of anterior scalene

phrenic

9

what muscles do the roots of the brachial plexus emerge between

anterior and middle scalene

10

muscles of the posterior triangle

levator scapulae
scalenus anterior
scalenus medius
scalenus posterior
inferior belly of omohyoid

11

innervation of scalene muscles

segmental innervation from ventral rami

12

innervation of omohyoid

ansa cervicalis

13

innervation of levator scapulae

segmental innervation from ventral rami

14

innervation of sternocleidomastoid

spinal accessory N

15

what nerve lies on the muscle belly of scalenus medius

long thoracic

16

what nerve emerges between scalenus medius and scalenus posterior

dorsal scapular nerve

17

anterior triangle boundaries

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

18

subtriangles of anterior triangle

digastric
carotid
muscular

19

boundaries of digastric triangle

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

20

arteries found in digastric triangle

lingual artery
facial artery
submental artery

21

veins found in digastric triangle

anterior division of retromandibular vein
facial vein
common facial vein

22

nerves found in digastric triangle

nerve to mylohyoid
lingual nerve
submandibular ganglion
hypoglossal nerve
glossopharyngeal nerve

23

muscles found in digastric triangle

stylohyoid
mylohyoid
digastric
stylopharyngeus

24

glands found in digastric triangle

submandibular and sublingual salivary glands

25

innervation of anterior belly of digastric

nerve to mylohyoid

26

innervation of posterior belly of digastric

facial N

27

innervation of stylohyoid

facial N

28

innervation of mylohyoid

nerve to mylohyoid

29

what nerve lies on the surface of hyoglossus and genioglossus

hypoglossal N

30

boundaries of carotid triangle

posterior belly of digastric and stylohyoid
superior belly of omohyoid
sternocleidomastoid

31

contents of carotid triangle

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

32

contents of the carotid sheath

common carotid artery
internal carotid artery
internal jugular vein
ansa cervicalis
vagus nerve

33

innervation of carotid sinus

glossopharyngeal N

34

function of carotid body

monitors CO2 and O2 in blood
stimulates respiration

35

innervation of carotid body

glossopharyngeal N
vagus N

36

what drains into internal jugular vein

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

37

internal jugular vein joins with

subclavian vein to form brachiocephalic vein

38

nerves of carotid triangle

ansa cervicalis
vagus
hypoglossal
spinal accessory
glossopharyngeal

39

what structure does ansa cervicalis form a loop over

carotid sheath

40

ansa cervicalis formed by

upper root from C1 ventral ramus
lower root from C2-3 ventral rami

41

vagus nerve found between which 2 structures

internal jugular vein and common carotid artery in carotid sheath

42

major branches of vagus N

pharyngeal N
superior laryngeal N
recurrent laryngeal N

43

where does recurrent laryngeal nerve enter larynx

between inferior pharyngeal constrictor and esophagus

44

where is cervical sympathetic chain located

behind carotid sheath

45

muscular triangle boundaries

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

46

contents of muscular triangle

sternohyoid
sternothyroid
thyrohyoid
superior belly of omohyoid
anterior jugular vein

47

innervation of sternohyoid

ansa cervicalis

48

innervation of sternothyroid

ansa cervicalis

49

innervation of thyrohyoid

hypoglossal N (C1)

50

innervation of omohyoid

ansa cervicalis

51

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

C5
(upper border of thyroid cartilage)

52

prevertebral muscles

longus coli
longus capitus
rectus capitus anterior
rectus capitus lateralis

53

prevertebral muscles innervated by

ventral rami

54

Branches of 1st part of subclavian artery

Vertebral
Thyrocervical
Internal thoracic

55

Branches of subclavian artery in second part

Costs cervical trunk (2)

56

Branches off subclavian artery on 3rd part

Dorsal scapular artery

57

Where is 1st part of subclavian artery located

Medial to anterior scalene

58

Where is 2nd part of subclavian artery

Deep to anterior scalene

59

Where is 3rd part of subclavian artery

Lateral to anterior scalene