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Part 1 Anatomy > Neck > Flashcards

Neck Flashcards

1
Q

Innervation intrinsic muscles larynx

A

All recurrent laryngeal inferior branch except cricothyroid which is external branch superior laryngeal
inf recurrent laryngeal - infraglottic sensation
int superior - supraglottic sensation

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2
Q

Digastric inervation

A

Post - facial
Ant - nerve mylohyoid (v3 inf alveolar branch)

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3
Q

Parotid lymph drainage

A

To deep cervical

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4
Q

EJV tributaries

A

Posterior auricular and retromandibular

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5
Q

Prevertebral fascia

A

cranial base to endothoracic fascia, axillary sheath an at longitudinal lig T3 (end longus colli)
cervical sympathetic trunks ant to prevertebral, post to carotid sheath

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6
Q

lesser supraclavicular fossa

A

between two heads SCM
contains distal IJV

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7
Q

Occipital triangle

A

trap, scm, omohyoid
XI goes through

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8
Q

Subclavian/ supraclavic triangle

A

omo, clavicle, scm
brachial plexus, subclavian artery, in EJV

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9
Q

Submandibular triangle

A

digastric + mandible
XII + V3 + submandibular gland

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10
Q

Submental triangle

A

anterior belly digastric and hyoid
anterior jugular vein and lymph nodes

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11
Q

Carotid triangle

A

post digastric, scm, ant omohyoid
carotid common + split
Carotid sinus and body
IX, X

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12
Q

Muscular triangle

A

Hyoid, ant omohyoid, SCM
infrahyoid muscles, thyroid and parathyroid

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13
Q

Suprahyiod muscles

A

mylohyoid (V3)
digastric (VII, V3) both speaking and swallowing
geniohyoid
stylohyoid

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14
Q

Infrahyoid muscles

A

Sternohyoi, omohyoid - C1-3 ansa cervicalis
Sternothyroid, thyrohyoid

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15
Q

Anterior cervical region nerves + lat cervical nerves

A

ant - V3, 9, 10, 12
lat, 11

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16
Q

Pre vertebral muscles

A

All flex head, medial to neurovasc plane
longus colli - also torsion
longus capitus
rectus capitus ant
anterior scalene

17
Q

lateral vertebral muscles

A

pst to neurvasc plane, floor of lat cervical region
middle and post scalene
rectus capitis laetralis
splenius capitis
levator scapulae

18
Q

Root of neck

A

Arteries - subclavian + vit C, common carotid, brachiocephalic on right
Veins - IJV, EJV, SC, brachicephalic
Nerves - phrenic, vagus, sympathetic chain

19
Q

Thyroid blood supply

A

Ant + sup = superior thyroid from ext carotid
inf + post + para = inf from thyrocervical trunk
Venous- sup + mid go IJV, inf goe brachiocephalic

20
Q

Larynx cartilages

A

3 unpaired - thyroid, cricoid, epiglottis
3 paired - arytenoid, cuneiform, corniculate

21
Q

Muscles intrinsic larynx

A

all help close glotis except posterior cricoarytenoid
cricothyroid - stretches and tenses vocal lig, increased pitch
thyroarytenoid - relaxes lowering pitch
lat cricoarytenoid + tansverse and oblique arytenoid - ADDuct causing whisper
posterior cricoarytenoid - ABduct - louder
vocalis muscle - within folds

22
Q

Ext Pharyngeal muscle innervation

A

all pharyngeal plexus and pharyngeal branch X
med and inf also ext and recurrent laryngeal

23
Q

Int pharyngeal muscles

A

elevate larynx and shorten pharynx
all X except stylopharyngeus - IX
palatopharyngeus
stylopharyngeus
salpingopharyngeus

24
Q

Route IX

A

enters pharynx between superior and midle pharyngeal constrictor muscles

25
Q

Route tonsillar branch facial artery

A

through superior constrictor

26
Q

Level cricoid cartilage

A

C6

27
Q

roots cervical plexus

A

C1-4

28
Q

insertion anterior scalene

A

anterior tubercles of cervical vertebrae 3 to 6 to 1st rib

29
Q

Innervation thyroid

A

middle cervical ganglion

30
Q

Pharyngeal sensory innervation

A

nasopharynx maxillary nerve (CN V2)
oropharynx glossopharyngeal (CN IX),
hypopharynx by internal and recurrent laryngeal nerves (from the vagus—CN X).

31
Q

Vagus innervates (motor)

A

constrictor muscles of the pharynx via the pharyngeal nerve (except stylopharyngeus—CN IX) and the muscles of the palate (except the tensor palatini—CN V3

32
Q

Random nerves at top of carotid sheath

A

IX XI XII
Contains ansa cervicalis
Does not contain sympathetic chain

Part 1 Anatomy (9 decks)

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