Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Gross Anatomy: Unit Four. > neck and superfical face > Flashcards

neck and superfical face Flashcards

1
Q

hyoid bone

A
  • anterior neck at level of c3
  • between the mandible and thyoid cartilage
  • doesnt articulate with bone
  • helps to prop open the airways
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

thyroid cartilage

A
  • at C4-C5 level

- beween the hyoid and cricoid cartiladge

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

cricoid cartilage

A

at the level of c6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

platysma

A
  • muscle of facial expression
  • arises from subcutaneous tissue cvering the deltion and pectoralis major
  • and insertion into the inferior border of the mandible
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

carotid sheath

A 
tubular fascial investment that extends from the cranial base to the root of the neck
contains:
-common and internal carotid arteries
-internal jugaluar vein
-vagus nerve
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

retopharyngeal space

A
  • premits ovemt of the pharynx, esophagus, larynx and trachea
  • largest and most clinicaling important inter fascial space (due to spread of infection)
  • closed by the carotid sheath
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

anterior cervical region of the neck boundaries

A

anterior: median line of neck
posterior: anterior border of sternocleudiomastoid
superior: inferior border of mandible
inferior: superior sternum
roof: platysma
floor: pharynx, larynx, thyroid gland

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

the four triangle of the anterior cervical region

A

submandibular (digastric

  • submental
  • carotid
  • muscular
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

submental triangle

A

-inferior to chin
-unpaired
boundaries:
-apex: mandicular symphysis
-base: hyoid bone
-left and right anterior belies of digastric
-floor: two myohyoid muscles
-contains: small veins that unite to form the anterior jugular vein

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

submandibular triangle

A 
-paired
boundaries:
-inferior border of mandible and the anterior and posterior bellies of digastric 
-floor: myohyoid and hypoglossus muscles 
contains: 
-mostly submandibular gland
-hypoglossal nerve
-myohyoid nerve
-parts of the facial artery and vein
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

carotid triangle

A 
boundaries:
-superior belly of omohyoid, posterior belly of digastric and anterior border of sternocleuidomastoid 
contains:
-common cartoid artery and branches 
-internal jugular
-vagus nerve
-external carotid artery and branches
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

muscular triangles

A

boundaries:
-superior belly of omohyoid
-anterior border of SCM
-median plane of the neck
contains:
-infrahyoid muscles and viscera (thyroid and parathyroid)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

hyoid muscles function

A

steady and move the hyoid and larynx

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

suprahyoid muscles

A

-above hyoid
-supporting hyoid and porviding a base from which the tongue function and in elevating the hyoid and larynx with swallowing and tone production
-muscles included:
mylohyoid
geniohyoid
stylohyoid
diagastric

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

fibrous sling

A
  • alongs the intermediate tendon to slide anteriorly and posteriorly as it connects this tendon the bone
  • digastric and omohyoid muscles both have this
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

mylohyoid origin

A

myohyoid line of mandible

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

mylohyoid insertion

A

body of ramus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

mylohyoid innervaton and action

A
  • nerve to mylohyoid (branch from inferior alveolar nerve, from CN V3)
  • elevted hyoid, floor of mouth and tongue during swallowing and speaking
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

geniohyoid origin

A

inferior mental spine of the mandible

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

geniohyoid insertion

A

body of hyoid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

geniohyoid innervation and action

A
  • C1 via hypoglossal nerve

- widens phrynx, shortens floor of mouth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

stylohyoid origin

A

styoid process of temporal bone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

stylohyoid insertion

A

body of hyoid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

stylohyoid innervation and action

A
  • facial nerve

- elevates and retracts the hyoid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

digastric origin

A

anterior belly: diagastic fossa of mandible

posterior belly: mastoid notch of temporal bone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

digastric insertion

A

both: intermediate tendon to body and greater horn of hyoid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

digastric innervation

A

anterior belly: nerve to myohyoid

posterior belly: diagastric branch of facial nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

infrahyoid muscles

A

-anchor the scapula, hyoid, sternum, clavicle and depresses the hyoid and larynx during swallowing and speaking
-strap muscles
muscles include:
sternohyoid, omohyoid
sternothyoid, thyrohoid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

digastric action

A
  • depresses mandible against resistance when working with the muscles below
  • elevates and steadies hyoid during swallowing and speaking
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

sternohyoid origin

A

manubrium of sternum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

sternohyoid insertion

A

body of hyoid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

sternohyoid innervation and action

A
  • c1-3 by a branch of ansa cervialis

- depresses hyoid after elevation during swallowing

33
Q

omohyoid origin

A

superior border of scapula nerve suprascapular notch

34
Q

omohyoid insertion

A

inferior borer of hyoid

35
Q

omohyoid innervation and action

A
  • c1-c3 by a branch of ansa cervialis

- depresses, retracts abnd steadies the hyoid

36
Q

sternothyroid origin

A

posterior surface of the manubrium of the sternum

37
Q

sternothyroid insertion

A

oblique line of thyoid cartiladge

38
Q

sternothyroid innervation and action

A

c2 and c3 by a branch of ansa cervicalis

depresses hyid and larynx

39
Q

thyrohyoid origin

A

oblique line of thyoid carilage

40
Q

thyrohyoid insertion

A

inferior border of body of hyoid

41
Q

thyrohyoid innervation and action

A

c1 via hypoglossal nerve

depresses hyoid and elevates larynx

42
Q

vertebral level of the bifurcation of common carotid

A

c4

43
Q

branches of common carotid artery

A

internal carotid artery

external carotid artery

44
Q

branches of external carotid artery

A 
superior thyoid artery
lingual artery
fascial artery
occipital artery
ascending pharyngeal artery
posterior auricular artery
45
Q

terminal branches of external cartoid artery

A

maxillary and superior temporal arteries

46
Q

branches of subclavian artery

A
  • vertebral artery
  • internal thoracic artery
  • thyrocervial trunk
  • costocervial artery
47
Q

branches of thyrocervial trunk

A
  • suprascapluar artery
  • cervicodorsal trunk also known as transverse cervical artery (which branches to dorsal scapular)
  • inferior thyroid (terminal branch)
48
Q

carotid sinus

A
  • proximal base of internal carotid artery at bifurcation

- its a baroreceptor that tracks the increased arterial blood pressure

49
Q

innervation of the carotids

A

-glossopharyngeal nerve and vagus nerve

50
Q

carotid body

A

-chemoreceptor that monitors the level of oxygen in the blood

51
Q

internal juguar vein

A
  • largest vein in the neck
  • drains brain, anterior face, cervial viscera, deep muscles of the neck
  • in the carotid sheath
  • joins with subclavian to form the brachiocephalic vein
52
Q

anterior jugular vein

A
  • drains into external jugular vein
  • above the manubrium the right and left anterior jugular arteries unite across the midline to form the julgular venous arch
53
Q

venous angle

A
  • where subclavian joins with the internal jugular vein

- this is where the thoracic duct (left) and right lympathic trunk (right) drain

54
Q

three pairs of major nerve in the root of the neck

A
  • vagus
  • phrenic
  • sympathetic trunks
55
Q

cervical visvera (3 layers)

A
  • endocrine (thyroid and parathyroid)
  • respiratory (larynx and trachea)
  • alimentary (pharynx and esophagus)
56
Q

endrocrine

A

ductless, hormone-serceting glands (parathyroid and thyroid)

57
Q

thyroid gland

A
  • controls the rate of metabolism
  • at C5-T1
  • right and left lobes of united by the isthmus
58
Q

parathyroid gland

A
  • regulated by hormones

- four glands that make it up

59
Q

What two muscles work together to keep food between teeth during chewing

A
  • buccinator

- orbicularis oris

60
Q

what nerve does all facial muscles

A

facial nerve

Innervates the motor to fascial expression muscles

61
Q

occipitofrontalis origin

A

frontal belly: epicranial aponerous

occipital belly: lateral two thirds of the superior nuchal line

62
Q

occipitofrontal insertion

A

frontal belly: skin of eyebrows and forehead

occipital belly: epicranial aponerous

63
Q

orbicularis oculi origin and insertion

A
  • oribital sphincter
    origin: lacrimal bone
    insertion: skin around margin of orbit
64
Q

orbicularis oculi action

A

-closes eyelids
Palpebral part: closes gently
Orbital part: closes tightly, winking

65
Q

occipitofrontal action

A

frontal belly: elevates eyebrows

occipital belly: retracts scalp

66
Q

orbicularis oris origin and insertion

A
  • sphincter of the mouth
  • first of many sphincters of the digestive tract
    origin: angle of the mouth, medial maxilla and mandible
    insertion: mucous membrane of lips
67
Q

orbicularis oris action

A

kissing, closing mouth, blowing

68
Q

buccinator origin and insertion

A
  • cheek muscle
  • keeps cheeks taut
    origin: mandible
    insertion: orbicularis oris
69
Q

buccinator action

A
  • sucking, whistling, blowing

- presses cheeks against the teeth

70
Q

what is the cutaneous nerve supply for the posterior ear

A
  • spinal cutaneous nerves c2-c3

- greater auricular and lesser occipital

71
Q

terminal of fascial artery

A

-anguar artery (supplies the medial angle of the eye)

72
Q

What artery supplies the cranium

A

-Middle meningeal artery, branch from maxillary artery

73
Q

Facial vein

A
  • provides the primary superifical venous drainage of face

- drains into internal jugular vein

74
Q

retromandibular vein

A
  • branches interior anterior branch and posterior branch
  • anterior branch drains into facial
  • posterior branch joins with posterior auricular vein to from the external jugular vein
75
Q

Parotid gland

A
  • largest of the three paired salivary glands
  • enclosed in parotid sheath
  • lies in parotid bed
76
Q

Parotid duct

A

runs from the parotid gland the pieres through the buccinator

77
Q

the branches of facial nerve

A 
temoral
zygomatic
buccal
marginal mandibular
cervial
78
Q

What nerve does the muscles of mastication

A

Mandibular branch of trigeminal

Gross Anatomy: Unit Four. (11 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions