Brainscape's Knowledge GenomeTM

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


See full index

Anatomy Exam 3 > Superficial Neck And Triangles > Flashcards

Superficial Neck And Triangles Flashcards

1
Q

Superficial Fascia

A

Platysma, External and Anterior jugular veins, Cervical Plexus-Superficial Branches, Superficial Cervical Lymph nodes

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

Superficial muscle of facial expression

A

Platysma

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

Platysma attachments

A

origin: inferior border of the mandible, and superficial fascia of the lower face
insertion: superficial fascia that covers the upper thorax and deltoid muscle

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

Platysma action/innervation

A

pulls the angle of mouth downward, tightens and pulls the skin of the neck upward (grimace); facial nerve (cervical branch)

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

Anterior Jugular Vein

A

drains the anterior superficial neck, runs down midline; not everyone has one

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

External Jugular Vein

A

drains superficial scalp and head (brain)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Cervical Plexus

A

C1-C5 muscular and cutaneous branches (sensation and muscle)

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

Cutaneous nerves

A

(branches of cervical plexus) lesser occipital, greater auricular, transverse cervical(across neck), supraclavicular(runs down toward clavicle)

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

Superficial Cervical Lymph Nodes

A

drainage from organs; Preauricular, Submental, Submandibular, Tonsilar, Anterior Cervical, Posterior Cervical, Supraclavicular, and Post Auricular nodes

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

Preauricular lymph node located

A

in front of ear

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Submandibular lymph node located

A

along mandible

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Anterior Cervical lymph node located

A

along sternocleidomastoid

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

Deep Cervical Fascia

A

comprised of the investing, pretracheal, and prevertebral layers

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

Investing layer of DCF encloses

A

sternocleidomastoid and trapezius

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

Investing layer of DCF attachments (superior and inferior)

A

sup: superior nuchal line, zygomatic arch, mastoid process, mandible, and hyoid bone
inf: manubrium, clavicle, acromion, and spine of the scapula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Investing Layer of DCF forms

A

capsule for the parotid and submandibular gland (salivary glands)

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

Investing Layer of DCF continues with

A

the ligamentum nuchae

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

Pretracheal layer is ______ to the prevertebral layer

A

anterior

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

superior nuchal line

A

runs down the middle of the back of the neck

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

Pretracheal layer of DCF extends from _____ to ______

A

extends from the hyoid bone to the middle mediastinum where it continues with the fibrous pericardium

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

Pretracheal layer of DCF encloses

A

infrahyoid muscles, thyroid gland, trachea, and esophagus

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

Pretracheal layer of DCF forms

A

carotid sheath, fascial sheaths that surround the intermediate tendons of the digastric and omohyoid muscles

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

Carotid Sheath formed by

A

pretracheal fascia mainly, though it blends with all layers of the cervical fascia

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

Carotid sheath crossed by

A

the intermediate tendon of the omohyoid

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

Carotid sheath extends from ______ to ______.

A

extends from the base of the cranium to the root of the neck

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

Carotid sheath contains

A

common carotid artery, internal jugular vein, and vagus nerve

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

Carotid sheath is pierced by

A

the ansa cervicalis

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

Carotid communicates through the_____ with the ____.

A

pretracheal fascia with the posterior mediastinum

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

Ansa cervicalis

A

nerve plexus; loop anterior to jugular vein

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

Prevertebral layer of DCF forms

A

a sheath that covers the prevertebral and lateral muscles and the axillary sheath around the axillary vessels and roots of the brachial plexus

31
Q

Prevertebral layer of DCF contains

A

the cervical part of the sympathetic trunk and associated ganglia

32
Q

Prevertebral layer of DCF blends with

A

the endothoracic fascia and anterior longitudinal ligament

33
Q

Prevertebral layer of DCF constitutes the posterior boundary of the_______ that continues with the _____

A

retropharyngeal space that continues with the posterior mediastinum

34
Q

hyoid bone

A

a U-shaped bone suspended by the stylohyoid ligament

35
Q

hyoid bone consists of

A

a body, and greater and lesser cornua (horns)

36
Q

hyoid bone connects to ______ via ________

A

the thyroid cartilage via the thyrohyoid membrane

37
Q

hyoid bone gives attachment to

A

geniohyoid, stylohyoid, mylohyoid, sternohyoid, thyrohyoid, and middle pharygeal constrictor (swallowing muscles)

38
Q

Infections can spread along

A

fascial planes

39
Q

Cervical muscles

A

SO SITS

Sternocleidomastoid, trapezius, suprahyoid muscles, infrahyoid muscles, occipital muscles, suboccipital muscles

40
Q

Sternocleidomastoid

A

major muscle of neck

41
Q

Sternocleidomastoid divides the neck into

A

anterior and posterior (lateral) triangles

42
Q

Sternocleidomastoid is crossed by

A

the external jugular vein, greater auricular, and transverse cervical nerves

43
Q

Sternocleidomastoid separates

A

the external jugular vein from the internal jugular vein and other components of the carotid sheath

44
Q

The mid-posterior border of the Sternocleidomastoid marks

A

the exit of the superficial branches of the cervical plexus

45
Q

Sternocleidomastoid origin and insertion

A

origin: manubrium (sternal head) and medial 3rd of clavicle (clavicular head) separated by the lesser supraclavicular fossa (access to IJV)
insertion: mastoid process and superior nuchal line

46
Q

Sternocleidomastoid action

A

lateral flexion of the neck and rotation of the face downward and contralaterally

47
Q

Sternocleidomastoid innervation

A

spinal accessory nerve (also innervates trap)

48
Q

Torticollis (Wryneck)

A

spasmodic contracture of the SCM that produces twisting of the neck and slanting of the head toward the unaffected side

49
Q

Trapezius forms the posterior border of the

A

posterior (lateral) triangle

50
Q

Suprahyoid muscles

A

stylohyoid, digastric, mylohyoid, geniohyoid

51
Q

Stylohyoid

A

origin: styloid process
insertion: body of hyoid
action: elevation of the hyoid and elongation of the mouth floor
innerv: facial nerve

52
Q

digastric

A

origin: digastric fossa of mandible (anterior belly), mastoid notch (post belly)
insertion: body and greater horn of hyoid
action: depresses the mandible and opens the mouth, and elevates the hyoid bone
innerv: mylohyoid nerve (anterior belly), facial nerve (posterior belly)

53
Q

Mylohyoid

A

origin: mylohyoid line
insertion: body of hyoid bone via raphe
action: elevates hyoid, floor of mouth
innerv: mylohyoid nerve

54
Q

Geniohyoid

A

origin: inferior mental spine
insertion: body of hyoid
action: shortens floor of the mouth by pulling the hyoid bone anteriorly upward, widens pharynx
innerv: mylohyoid nerve

55
Q

nerve to mylohyoid

A

mylohyoid, anterior belly of digastric, geniohyoid

56
Q

Infrahyoid muscles

A

omohyoid, sternohyoid, sternothyroid, thyrohyoid

57
Q

Omohyoid

A

origin: superior border of scapula near suprascapular notch
insertion: inferior border of body of hyoid
action: depresses, retracts, ad stabilizes hyoid
innerv: ansa cervicalis (C1-C3)

58
Q

Sternohyoid

A

origin: manubrium and medial end of clavicle
insertion: body of hyoid
action: depresses hyoid
innerv: ansa cervicalis (C1-C3)

59
Q

Suprascapular notch

A

contain suprascapular nerve and artery

60
Q

Sternothyroid

A

origin: posterior surface of manubrium
insertion: oblique line of thyroid lamina
action: depresses, retracts and stabilize hyoid
innerv: ansa cervicalis (C2-C3)

61
Q

Thyrohyoid

A

origin: oblique line of thyroid lamina
insertion: hyoid bone
action: elevates the larynx and depresses the hyoid
innerv: segmental-C1

62
Q

2 strap muscles

A

sternohyoid and sternothyroid

63
Q

sternothyroid continous with _____. Split by______.

A

continuous with thyrohyroid. split by cartilidge

64
Q

Posterior triangle

A

anterior border: posterior border of the SCM
Posterior boundary: anterior border of the trapezius muscle
apex: occipital bone
base: middle third of the clavicle
floor: spenius capitis, levator scapulae, middle and posterior scalene muscles, accessory nerve, trunks of the brachial plexus, subclavian and transverse cervical arteries

65
Q

Posterior triangle divided by

A

inferior belly of omohyoid muscle into smaller subclavian (supraclavicular) and occipital triangles.

66
Q

Anterior Triangle

A

anterior boundary: median line of the neck
posterior boundary: anterior border of SCM
superior boundary (base): inferior border of the mandible
apex: jugular notch of the manubrium
roof: superficial fascia containing the platysma
floor: pharynx, larynx, and thyroid gland

67
Q

Anterior triangle divides into

A

smaller submental and submandibular triangles via the digastric muscle and into the carotid and muscular triangles via the omohyoid muscles

68
Q

Submental triangle

A

inferior boundary (base): body of the hyoid
lateral boundaries: anterior bellies of digastric muscle
apex: symphysis menti
floor: mylohyoid muscles

69
Q

Submental triangle contents

A

submental lymph nodes, and tributaries of the anterior jugular vein

70
Q

Submandibular triangle

A

superior boundary (base): inferior border of mandible
anterior boundary: anterior belly of digastric
posterior boundary: posterior belly of digastric and stylohyoid muscle
apex: hyoid bone
floor: mylohyoid and hyoglossus

71
Q

Submandibular contents

A

submandibular gland and lymph nodes, facial vessels, hypoglossal nerve and submental artery

72
Q

Carotid triangle

A

anterior and superior boundary: posterior belly of digastric
anterior and inferior boundary: superior belly of the omohyoid
posterior boundary: SCM

73
Q

Carotid triangle contents

A

common carotid, carotid body and sinus, internal carotid artery, external carotid artery and branches and corresponding veins and hypoglossal nerve

Anatomy Exam 3 (7 decks)

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