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OMC II, Dissection > Lab 5 > Flashcards

Lab 5 Flashcards

1
Q 
Parotid Gland
• “milked” by \_\_\_\_
• Innervation: \_\_\_\_ (otic ganglion)
• Vasculature: \_\_\_\_ artery; EJV drain 
• Duct: \_\_\_\_
• \_\_\_\_ saliva
A 
buccinator
IX
transverse facial
stenson's
serous
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2
Q

Stenson’s Duct
• Course: anterior gland > below zygomatic arch, over ____> through buccal fat pad > perforate ____ > oral cavity adjacent to ____ molar

A

masseter
buccinator
second maxillary

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3
Q

Masseter
• Action: mandibular ____ & ____
• Vasculature: ____ artery (en route to
pterygomaxillary fissure)
• Innervation: CN ____ via foramen ovale, arise in
infratemporal fossa
• Lesion: ____ jaw deviation during protrusion

A 
elevation
retrusion
maxillary
V3
ipsilateral
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4
Q

Buccinator

• Pterygomandibular raphe > modiolus
• Retention of food in oral vestibule
• Milks \_\_\_\_, accessory mastication
• Innervation:CN \_\_\_\_ \_\_\_\_
via stylomastoid
foramen
• Buccal branch (from
parotid)

• Bell’s Palsy (CNVII neuritis) – ____paralysis

A

parotid
VII
SVE

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5
Q

Facial (VII) Nerve (Parotid Plexus)
• Ramify in ____ Gland
• ____ to facial expression, stylohyoid, posterior digastric, stapedius
• Temporal, Zygomatic, Buccal, Marginal Mandibular, Cervical
• Parotid Gland Tumor (stylomastoid foramen metastasis) compresses ____

A

parotid
SVE
VII

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6
Q

Temporal branches (facial nerve)
• CN VII branch
• Raise ____

A

eyebrows

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7
Q

Zygomatic branches (facial nerve)
• CN VII branch
• Shut ____ tightly

A

eyes

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8
Q

Buccal branches (facial nerve)
• CN VII branch
• Pucker ____, bare ____, ____

A

lips
upper teeth
whistle

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9
Q

Marginal Mandibular Branches (Facial Nerve)
• CN VII
• Bare ____ teeth

A

lower

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10
Q

____
Exit for
Trunk of CN VII

A

stylomastoid foramen

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11
Q

Facial artery

• ____ for maximal depression of mandible

  • Cervical branches:
  • ____
  • Tonsilar
  • ____ (submandibular)
  • Submental
  • Muscular branches:
  • ____
  • Lateral Nasal
  • ____
  • Inferior Labial
A 
tortuous
ascending palatine
glandular
angular
superior labial
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12
Q

Facial vein
• Tributaries similar to facial artery
• ____, Parotid, ____, Ophthalmic, Deep facial

A

masseteric

angular

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13
Q

Angular branch of facial artery

  • Anastomoses with ____
  • Critical ____ in case of occlusion
A

ophthalmic (ECA)

collateral flow

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14
Q

Labial branch of facial artery

  • Gives ____ to vermillion
  • Superior: Anastomoses with ____ bV
  • Inferior: runs between ____ & labial mucosa
A

color
nasal septum
orbicularis oris

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15
Q

Superficial temporal artery

  • Final ____ bifurcation entering parotid gland
  • Supplies ____
  • Transverse facial, anterior auricular, zygomatico-orbital, middle temporal, frontal bone, parietal bone
A

ECA

TMJ

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16
Q

Transverse facial artery (variable)

  • Often ____
  • From superficial temporal (____)
  • Facial skin, parotid gland, masseter
A

absent

ECA

17
Q

Mental nerve (through foramen)

  • ____
  • ____ > ____ > Mental

Mental foramen
target for ____ & ____ ____ nerve block

A 
GSA
V3
inferior alveolar
premolar
incisor
mandibular
18
Q

Infraorbital artery (through foramen)

  • ____ > Maxillary (pterygopalatine portion)
  • Through inferior orbital fissure to ____
  • Anterior/middle superior alveolar branches within canal
  • Lower ____, lateral nose, upper ____, cheek
  • Divides in pterygopalatine cala into ____
A 
ECA
infraorbital canal
eyelid
lip
greater & lesser palatine
19
Q

Supraorbital nerve (through foramen)
• ____ > ____ > supraorbital
• ____, scalp, ____ sinus

A

V1
frontal
forehead
frontal

20
Q

Subclavian artery & vein

• Separated by ____ insertion on first rib

  • Artery anastomoses with ____ circulation
  • Thyrocervical trunk
  • Costcocervical trunk
  • Axillary artery
  • EJV empties into ____n vein
  • Joins ____ > ____ vein
A 
anterior scalene
vertebrobasilar
subclavian
IJV
brachiocephalic
21
Q

Anterior scalene

  • Scalene triangle: ____ scalene, ____ scalene, ____rib
  • Role in respiration:
A

anterior
middle
first

22
Q

Phrenic nerve

• Ventral rami:
• Innervates:
____, ____, ____ = KEEP THE DIAPHRAGM ALIVE!

A

C3
C4
C5

23
Q

Scalene interval
• Brachial plexus & subclavian artery through
• Thoracic outlet syndrome: ____, pale upper limb w diminished ____
– ____ compresses with scalene hypertrophy/path

A

cool
pulses
deep brachial plexus

24
Q

Thyrocervical trunk

  • Arises medial to ____ scalene
  • Subclavian Branch
• \_\_\_\_ (rotator
cuff muscle)
• \_\_\_\_ (thyroid gland & larynx)
• \_\_\_\_ (prevertebral m)
• \_\_\_\_ (trapezius)
A 
anterior
suprascapular
inferior thyroid
ascending cervical
transverse cervical
25
Q

Inferior thyroid artery

  • From ____ trunk
  • Crosses deep to ____ > thyroid gland
  • Thyroid gland & ____
  • Anastomoses with ECA ____
A

thyrocervical
carotid sheath
larynx
superior thyroid

26
Q

Ascending cervical artery

  • From thyrocervical trunk
  • Along ____ scalene, parallel to ____ nerve
  • ____ muscles
A

anterior
phrenic
prevertebral

27
Q

DORSAL SCAPULAR

A

YAY!

28
Q

Suprascapular artery

  • From thyrocervical trunk
  • Courses with large suprascapular nerve from superior trunk of brachial plexus
  • ____ muscles
A

rotator cuff

29
Q

Vertebral artery

• First branch of ____

• Ascends posteriorly towards cervical spin
• Ascends through \_\_\_\_ C6 > \_\_\_\_
• Turns medially
& passes superior to \_\_\_\_
• \_\_\_\_
A 
subclavian
transverse foramina
C1
posterior arch of atlas
foramen magnum
30
Q

Recurrent laryngeal nerve

  • From CN ____
  • Wraps around proximal ____ artery
  • Travels up ____ groove

____: infraglottic larynx mucosa
SVE to____ m (except ____)

A 
X
subclavian
tracheo-esophageal
GSA
intrinsic laryngeal
cricothyroid
31
Q

Thyroid gland

  • ____ connects the two lobes
  • Thyoglossal duct
  • Pathology leaves ____ nerve vulnerable
• Vasculature:
• \_\_\_\_, glandular
branch (ECA)
• \_\_\_\_ (thyrocervical
trunk)
A

isthmus
recurrent laryngeal
superior thyroid
inferior thyroid

32
Q

Thoracic Duct
• ____side of esophagus
• Drains into confluence of ____ & ____ to form ____ vein
• Largest ____

A 
left
IJV
subclavian
brachiocephalic
lymphatic vessel
33
Q

Right Lymphatic Duct

____ trunk + ____ trunk + ____

A

jugular
subclavian
bronchomediastinal

34
Q

Cervical sympathetic trunk

• Posterior to ____

A

carotid sheath

35
Q

Superior Cervical Ganglion

• > ____ plexus & ____ communicating rami to ____ nerves

A

carotid
gray
cervical spinal

36
Q

Inferior Cervical ganglion
• Opposite ____
• Often continuous with first thoracic ganglion to form ____

A

C7

stellate ganglion

OMC II, Dissection (10 decks)

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