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Clinical Human Anatomy: Head and Neck > Triangles of Neck > Flashcards

Triangles of Neck Flashcards

1
Q

Innervation of SCM

A

CN XI for motor

C2 and 3 for sensory

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2
Q

att to first two ribs

A

scalenes

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3
Q

funx of scalenes

A

Bilateral- assist in neck flexion and raise first 2 ribs

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4
Q

innervation of Scalenes

A

ventral rami of cervicle nerves

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5
Q

Suprahyroid muscles

A

mylohyoid
digastric
stylohyoid
geniohyoid

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6
Q

Infrahyoid muscle

A

thyrohyoid
sternothyroid
sternohyoid
omohyoid

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7
Q

neck layers are compartmentalized by what two layers

A

cervicle fascia: deep and superficial

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8
Q

Where does the superficial cervicle fascia layer lie?

A

btwn dermis of skin and investing layer of deep cervicle fascia

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9
Q

Where does the playtsma muscle lay?

A

superficial layer of superficial cervicle fascia

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10
Q

What are the three layers of the deep superficial fascia?

A

superficial (investing)
Pretracheal
Prevertebral

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11
Q

What layer invests the trapezius and SCM?

A

The superficial part of the Deep cervicle fascia

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12
Q

Where is the pretracheal layer of deep cervicle fascia limited to?

A

Anterior part of neck

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13
Q

What are the two divisions of the pretracheal layer?

A

Visceral and musclular

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14
Q

What does the muscular layer of the pretracheal layer contain?

A

infrahyoid muscles

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15
Q

What does the visceral layer of the pretracheal layer contain?

A

thyroid gland trachea and esophagus

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16
Q

What layer is the visceral layer of pretracheal fascia continuous with

A

buccopharyngeal

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17
Q

thin, posterior lamina of the pretracheal fascia, seperates eso from prevertebral fascia

A

buccopharyngeal fascia

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18
Q

What nerve lies btween visceral and pretracheal fascia?

A

recurrent laryngeal

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19
Q

What contributes to the posterior portion of the carotid sheath

A

prevertebral fascia

20
Q

What is the anterior lamina called?

A

alar while the other part continues as the pervertebral fascia

21
Q

Contents of carotid sheath

A

Common and internal carotid arteries
the IJV
The vagus nerve

22
Q

What makes up the carotid sheath

A

fascial sheath blends anteriorly with investing and pretracheal layers of fascia and posterioly with prevertebral layer of deep cervicle fascia

23
Q

What blends with the percardium on the heart?

A

pretracheal fascia

24
Q

Where does alar and buccopharyngeal fuse and come to a stop?

A

T1/T2

25
Q

Once we break through this space we get infection in mediatrium and thorax

A

retropharngeal

26
Q

Anterior boundary of retropharyngeal space

A

buccopharyneal fascia

27
Q

posterior boundary of retropharnyngeal space

A

alar or prevertebral fascia

28
Q

Lateral boundry of retropharyneal space

A

carotid sheath

29
Q

Superior boundary of retropharyngeal space

A

base of skull

30
Q

Inferior boundary of retropharyngeal space

A

T1/T2

31
Q

Where is highest morality rate as far as roots of neck

A

Root 1

32
Q

What contains: splenius cap, levator scap, middle scalene, poster scalene and spinal accessory nerve, supraclavicular nerve, transvercervical artery/vein

A

Occipital triangle : posterier triangle

33
Q

Contains: subclavian artery, subclavian vein, brachial plexus

A

Omoclavicular triangle: posterior triangle

34
Q

What node drains teh ears and parotid region on face?

A

Superficial cervicle lymph

35
Q

What drains the occipital and parital regions

A

superficial lymph nodes

36
Q

what nodes drain the posterior scalp and neck

A

occipital nodes

37
Q

drains the deep 2/3s of neck and head: includes the facial, lingual, retrophranygeal, preauricular, submandibular and submental nodes

A

Deep group of nodes

38
Q

drains lower face, gingivae, teeth, tongue then to deep cervicle

A

submandibular

39
Q

drain lower lip, chin, floor of mouth, tip of tongue, lower incisor teeth

A

submental

40
Q

which nodes eventually recieve all lymp from head and neck?

A

Deep cervicle nodes

41
Q

Contains: trachea, great vessels, esophagus, upper mediastium, lung apices, thoracic duct

A

zone 1

42
Q

Carotid and vertebral arteries, jugular veins, pharnyx, larnyx, eso and trachea

A

zone 2

43
Q

distal to extracranial carotid asa well as segments of jugular veins

A

zone 3

44
Q

most danerous zone

A

1

45
Q

cancers from thryoid or upper eso end up

A

omoclavicular triangle

Clinical Human Anatomy: Head and Neck (12 decks)

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