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Triangles of Neck Flashcards

(45 cards)

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?

25
Once we break through this space we get infection in mediatrium and thorax
retropharngeal
26
Anterior boundary of retropharyngeal space
buccopharyneal fascia
27
posterior boundary of retropharnyngeal space
alar or prevertebral fascia
28
Lateral boundry of retropharyneal space
carotid sheath
29
Superior boundary of retropharyngeal space
base of skull
30
Inferior boundary of retropharyngeal space
T1/T2
31
Where is highest morality rate as far as roots of neck
Root 1
32
What contains: splenius cap, levator scap, middle scalene, poster scalene and spinal accessory nerve, supraclavicular nerve, transvercervical artery/vein
Occipital triangle : posterier triangle
33
Contains: subclavian artery, subclavian vein, brachial plexus
Omoclavicular triangle: posterior triangle
34
What node drains teh ears and parotid region on face?
Superficial cervicle lymph
35
What drains the occipital and parital regions
superficial lymph nodes
36
what nodes drain the posterior scalp and neck
occipital nodes
37
drains the deep 2/3s of neck and head: includes the facial, lingual, retrophranygeal, preauricular, submandibular and submental nodes
Deep group of nodes
38
drains lower face, gingivae, teeth, tongue then to deep cervicle
submandibular
39
drain lower lip, chin, floor of mouth, tip of tongue, lower incisor teeth
submental
40
which nodes eventually recieve all lymp from head and neck?
Deep cervicle nodes
41
Contains: trachea, great vessels, esophagus, upper mediastium, lung apices, thoracic duct
zone 1
42
Carotid and vertebral arteries, jugular veins, pharnyx, larnyx, eso and trachea
zone 2
43
distal to extracranial carotid asa well as segments of jugular veins
zone 3
44
most danerous zone
1
45
cancers from thryoid or upper eso end up
omoclavicular triangle