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Anatomy > Parotid Region > Flashcards

Parotid Region Flashcards

1
Q

Facial nerve route

A

Into accoustic meatus.
Comes out between styloid and mastoid processes.
Branches after exits parotid gland

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2
Q

Branches of facial nerve

A 
To Zanzibar By Motor Car
Temporal
Zygomatic
Buccal
Marginal mandibular
Cervicak
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3
Q

Parotid gland derived from

A

Investing layer of deep fascia

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4
Q

What innervates the parotid gland.

A

Auriculotemporal (V3) and great auricular nerve (cervicak plexus 2,3)

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5
Q

Parasym action of parotid gladn

A

Increased activity of acinar, ductal cells = increased blood flow, increased salivary secretions

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6
Q

Floor of temporal fossa

A

Four bones that make up pterion (frontal, temporal, sphenoid, parietal)

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7
Q

Middle meningeal artery

A

Deep to pterion

In middle cranial fossa

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8
Q

Contents of infratemporal fossa (6)

A 
Temporalis
Lat and medial pterygous
Maxillary artery
Ptygoid venous plexus
V3 nerves
Otic ganglion
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9
Q

Superficial muscles of mastication

A

Temporalis (elevation, retrusion, lat movement of mandible)

Masseter (elevation,protrusion, lateral movement)

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10
Q

Deep muscles of mastication

A 
Lateral pterygoid (depression, protrusion, contralateral movement)
Medial pterygoid (elevation, protrusion, contralateral movement)
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11
Q

Innervation of buccinator

A

Buccal branch of CN VII

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12
Q

CN V3 entry to skull

A

Foramen ovale

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13
Q

Branches of CN V3

A 
"BAIL"
Buccal (sens)
Auriculotemporal
Inferior alveolar
Lingual
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14
Q

CN VII entry to skull

A

Internal accoustic meatus to stylomastoid foramen

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15
Q

Chorda Tympani

A

Branch of CN VII.
Taste fibres from ant 2/3 of tongue.
Secretomotor fibres for submandibular, sublingual glands

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16
Q

Lesser petrosal nerve

A

Visceral motor component of CN IX (glossopharyngeal)

Secretommotor to parotid gland

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17
Q

Branches of maxillary artery

A 
MIMAPBS
Middle meningeal (foramen spinosum)
Inferior alveolar 
Muscular branches
Anterior deep temporal
Posterior deep temporal
Buccal 
Sphenopalatine
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18
Q

Articular disc of TMJ separates

A

Superior discotemporal space

Inferior discomandibular space

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19
Q

Superior cavity of TMJ action

A

Protrusion and retrusion

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20
Q

Inferior cavity action of TMJ

A

Depression and elevation

21
Q

Lateral ligament of TMJ

A

Strengthens joint laterally

Prvents posterior dislocation

22
Q

Splenomandibular ligament

A

Primary passive support of mandible “fulcrum”

23
Q

Inferior alveolar nerve block

A

Anesthetizes V3
Inject around mandibular foramen
If parotid, CN VII, med pterygoid injected: affect movements of TMJ

24
Q

Parotid infection/ parotiditis

A

Severe pain
Chewing painful
Pain because of auriculotempiral and great auricular nerves

25
Q

Sialoliths

A

Salivary gland stones

26
Q

Frey’s Syndrome

A

“Auriculotemporal syndrom”

Facial flushing, sweating after eating.

27
Q

Sjögren’s Syndrome

A

Autoimmune symptoms of exocrine (lacrimal, salivary) glands.
Decreased production of tears, saliva.
CD4 cells = inflammation and slow destruction

28
Q

Contents of parotid region

A 
Parotid gland and duct 
Parotid plexus of facial nerves (CN VII)
Retromandibular vein
Ext carotid artery
Masseter
29
Q

Which vein is formed by the union of superficial temporal and maxillary vein?

A

Retromandibular vein

30
Q

Path of auriculotemporal nerve

A

CNIX -> Lesser petrosal nerve -> Otic ganglion -> auriculotemporal nerve

31
Q

Which nerve synapses in the otic ganglion?

A

Parasym fibres of lesser petrosal nerve (IX)

32
Q

Glossopharyngeal nerve hitchhikes on _______

A

Auriculotemporal nerve

33
Q

What nerve passes through the parotid gland?

A

Facial nerve (VII)

34
Q

What nerve wraps around the middle meningeal artery?

A

Auriculotemporal nerve

35
Q

Lesser petrosal nerve carries preganglionic parasym fibres to which ganglion?

A

Otic ganglion

36
Q

Major duct of parotid gland pierces ________

A

Buccinator muscle

37
Q

Opthalmic artery is a branch of what artery?

A

Carotid artery

38
Q

Facial artery branches off which artery?

A

External carotid artery

39
Q

Branching nerve above levator palpebrae superioris

A

Frontal Nerve

40
Q

What muscle causes miosis

A

Sphincter pupillae

41
Q

What is the baroreceptor in the neck?

A

Carotid sinus.

Decreased bp when massaged

42
Q

Left common carotid artery arises from _______

A

Aorta

43
Q

Dura mater attaches to _____ in ant cranial fossa

A

Crista gali

44
Q

What sinus drains into the internal jugular vein?

A

Sigmoid sinus

45
Q

Subclavian artery branches

A

“Very tired individuals sip strong iced coffee daily”
Vertebral artery
Thyrocervical trunk (Inf thyroid artery, superficial cerv art, suprascapular art)
Internal thoracic
Costocervical trunk (sup intercostal, deep cervical)
Dorsal scapular arter

46
Q

External jugular vein drains what

A

Face and scalp

47
Q

Branches of vagus nerve

A 
"Puppies sure are cute" 
Pharyngeal
Superior laryngeal
Recurrent laryngeals
Cervical cardiac
48
Q

Path of lymph from superior neck tissue

A

Superficial cervical lymph nodes
To deep cervical lymph nodes
To supraclavicular group of nodes
To venous angle

Anatomy (6 decks)

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