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Anatomy > Practical 3 > Flashcards

Practical 3 Flashcards

1
Q

posterior triangle borders

A
  • sternocleidomastoid
  • trapezius
  • clavicle
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2
Q

posterior triangle floor

A
  • anterior scalene
  • middle/superior scalene
  • levator scapulae
  • splenius capitus
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3
Q

posterior triangle muscles

A

omohyoid

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4
Q

posterior triangle vasculature

A
  • subclavian artery/vein

- external jugular artery/vein

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5
Q

posterior triangle nerves

A
  • accessory nerve
  • phrenic nerve
  • brachial plexus
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6
Q

posterior triangle regions

A
  • separated by omohyoid
  • occipital triangle = superior
  • supraclavicular = inferior
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7
Q

anterior triangle borders

A
  • mandible
  • anterior cervical midline
  • SCM
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8
Q

suprahyoid region

A
  • superior part of anterior triangle
  • divided by digastric
  • submental triangle
  • submandibular triangle
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9
Q

infrahyoid region

A
  • inferior part of anterior triangle
  • separated by superior omohyoid
  • muscular triangle
  • carotid triangle
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10
Q

submental triangle borders

A
  • digastric
  • hyoid
  • cervical midline superior to hyoid
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11
Q

submental triangle floor

A
  • geniohyoid

- mylohyoid

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12
Q

submental triangle contents

A
  • superior aspect of anterior jugular vein

- nerve to mylohyoid

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13
Q

submandibular triangle borders

A
  • mandible

- anterior and posterior bellies of digastric

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14
Q

submandibular floor

A
  • hypoglossus

- mylohyoid

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15
Q

submandibular triangle contents

A
  • submandibular gland
  • hypoglossal nerve
  • lingual artery/vein
  • submental artery/vein
  • facial artery exits
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16
Q

carotid triangle borders

A
  • omohyoid
  • digastric
  • SCM
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17
Q

carotid triangle vasculature

A
  • external/internal carotid arteries

- internal jugular vein

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18
Q

carotid triangle nerves

A
  • ansa cervicalis
  • hypoglossal nerve
  • vagus nerve
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19
Q

muscular triangle borders

A
  • superior omohyoid
  • SCM
  • cervical midline inferior to hyoid
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20
Q

muscular triangle visceral contents

A
  • thyroid
  • parathyroid
  • pharynx
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21
Q

muscular triangle muscles

A
  • omohyoid
  • sternohyoid
  • thyrohyoid
  • sternothyroid
22
Q

eye muscle nerves

A

LR6 SO4 AO3

  • lateral rectus = abducens
  • superior oblique = trochlear
  • all others = oculomotor
23
Q

carotid body

A
  • bifurcation of common carotid
  • measure O2
  • glossopharyngeal and vagus nerves
24
Q

carotid sinus

A
  • internal carotid
  • measures BP
  • glossopharyngeal nerves
25
Q

external carotid branches

A
  • superior thyroid
  • ascending pharyngeal (posterior)
  • lingual
  • facial
26
Q

platysma

A
  • innervation: facial nerve

- tenses skin of neck

27
Q

sternocleidomastoid

A
  • innervation: accessory nerve & C2, C3 branches
  • alone: tilts head to its side
  • together: flexes neck
28
Q

mylohyoid

A
  • innervation: trigeminal nerve

- elevates hyoid

29
Q

geniohyoid

A
  • innervation: hypoglossal nerve

- pulls hyoid anterosuperiorly

30
Q

stylohyoid

A
  • innervation: facial nerve

- elevates and retracts hyoid

31
Q

digastric

A
  • innervation anterior: trigeminal
  • innervation posterior: facial
  • depresses mandible, raises hyoid
32
Q

strap muscles innervation

A
  • sternohyoid, sternothyroid, and omohyoid innervated by ansa cervicalis
  • thyrohyoid innervated by hypoglossal
33
Q

strap muscles action

A

depress the hyoid

34
Q

artery anterior to the ear

A

superficial temporal artery

35
Q

zone 1

A

clavicle to cricoid

36
Q

zone 2

A

cricoid to angle of mandible

37
Q

zone 3

A

angle to mandible to mastoid

38
Q

thyroid vascular supply

A
  • superior and inferior thyroid arteries
  • superior = superior pole
  • inferior = posterior thyroid
  • inferior, middle, superior thyroidal veins
39
Q

thyroid innervation

A

sympathetic

40
Q

cricothyroid

A
  • innervation: exterior laryngeal nerve

- stretches and tenses vocal cord

41
Q

orbicularis oris

A

innervation: facial nerve

42
Q

buccinator

A

innervation: facial nerve

43
Q

orbital fissures

A
  • superior orbital fissure
  • inferior orbital fissure
  • optic canal
44
Q

ear landmarks

A
  • helix
  • antihelix
  • tragus
  • antitragus
  • concha
  • lobule
45
Q

muscle around mouth

A

orbicularis oris

46
Q

muscles inferior to mouth

A
  • depressor anguli oris

- depressor labii inferioris

47
Q

muscle from mouth to zygomatic

A

zygomaticus major/minor

48
Q

forehead muscle

A

frontalis

49
Q

muscles superior to mouth

A
  • levator labii superioris

- levator anguli oris

50
Q

muscle around eye

A

orbicularis oculi

51
Q

vermillion border

A

outer border of lips

52
Q

oral commissure

A

corner where lips meet

Anatomy (4 decks)

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