Lab 5 Flashcards by J L

Parotid Gland
• “milked” by \_\_\_\_
• Innervation: \_\_\_\_ (otic ganglion)
• Vasculature: \_\_\_\_ artery; EJV drain 
• Duct: \_\_\_\_
• \_\_\_\_ saliva

buccinator
IX
transverse facial
stenson's
serous

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

masseter
buccinator
second maxillary

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

elevation
retrusion
maxillary
V3
ipsilateral

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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

parotid
VII
SVE

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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 ____

parotid
SVE
VII

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

eyebrows

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

eyes

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

lips
upper teeth
whistle

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

lower

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____
Exit for
Trunk of CN VII

stylomastoid foramen

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Facial artery

• ____ for maximal depression of mandible

Cervical branches:
____
Tonsilar
____ (submandibular)
Submental
Muscular branches:
____
Lateral Nasal
____
Inferior Labial

tortuous
ascending palatine
glandular
angular
superior labial

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

masseteric

angular

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Angular branch of facial artery

Anastomoses with ____
Critical ____ in case of occlusion

ophthalmic (ECA)

collateral flow

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Labial branch of facial artery

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

color
nasal septum
orbicularis oris

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Superficial temporal artery

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

ECA

TMJ

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Transverse facial artery (variable)

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

absent

ECA

Mental nerve (through foramen)

____
____ > ____ > Mental

Mental foramen
target for ____ & ____ ____ nerve block

GSA
V3
inferior alveolar
premolar
incisor
mandibular

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 ____

ECA
infraorbital canal
eyelid
lip
greater &amp; lesser palatine

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

V1
frontal
forehead
frontal

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

anterior scalene
vertebrobasilar
subclavian
IJV
brachiocephalic

Anterior scalene

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

anterior
middle
first

Phrenic nerve

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

C3
C4
C5

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

cool
pulses
deep brachial plexus

Thyrocervical trunk

Arises medial to ____ scalene
Subclavian Branch

• \_\_\_\_ (rotator
cuff muscle)
• \_\_\_\_ (thyroid gland &amp; larynx)
• \_\_\_\_ (prevertebral m)
• \_\_\_\_ (trapezius)

anterior
suprascapular
inferior thyroid
ascending cervical
transverse cervical

Inferior thyroid artery * From ____ trunk * Crosses deep to ____ > thyroid gland * Thyroid gland & ____ * Anastomoses with ECA ____

thyrocervical carotid sheath larynx superior thyroid

Ascending cervical artery * From thyrocervical trunk * Along ____ scalene, parallel to ____ nerve * ____ muscles

anterior phrenic prevertebral

DORSAL SCAPULAR

YAY!

Suprascapular artery * From thyrocervical trunk * Courses with large suprascapular nerve from superior trunk of brachial plexus * ____ muscles

rotator cuff

Vertebral artery • First branch of ____ ``` • Ascends posteriorly towards cervical spin • Ascends through ____ C6 > ____ • Turns medially & passes superior to ____ • ____ ```

``` subclavian transverse foramina C1 posterior arch of atlas foramen magnum ```

Recurrent laryngeal nerve * From CN ____ * Wraps around proximal ____ artery * Travels up ____ groove ____: infraglottic larynx mucosa SVE to____ m (except ____)

``` X subclavian tracheo-esophageal GSA intrinsic laryngeal cricothyroid ```

Thyroid gland * ____ connects the two lobes * Thyoglossal duct * Pathology leaves ____ nerve vulnerable ``` • Vasculature: • ____, glandular branch (ECA) • ____ (thyrocervical trunk) ```

isthmus recurrent laryngeal superior thyroid inferior thyroid

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

``` left IJV subclavian brachiocephalic lymphatic vessel ```

Right Lymphatic Duct | ____ trunk + ____ trunk + ____

jugular subclavian bronchomediastinal

Cervical sympathetic trunk | • Posterior to ____

carotid sheath

Superior Cervical Ganglion | • > ____ plexus & ____ communicating rami to ____ nerves

carotid gray cervical spinal

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

C7 | stellate ganglion