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Anatomy > Parotid and temporal > Flashcards

Parotid and temporal Flashcards

1
Q

What is the shallow depression on the anterior surface of the condylar process?

A

Pterygoid fovea

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2
Q

Which portion of the temporal bone contains the temporal fossa?

A

Squamous

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3
Q

What portion of the temporal bone makes up the cheek bone?

A

zygomatic process of the temporal

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4
Q

What eminence borders the mandibular fossa?

A

Articular tubercle

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5
Q

What 2 landmarks does the tympanic portion of the temporal bone include?

A

External Auditory Meatus, styloid process

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6
Q

The spine of the sphenoid marks what 2 portions of the temporal bone?

A

Petrous and squamous

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7
Q

What is the strongest ligament of the TMJ?

A

lateral temporomandibular ligament

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8
Q

What portion of the sphenoid bone articulates with the temporal bone?

A

Greater wings

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9
Q

What are the hook-like projections on the ends of the pterygoid plates?

A

Pterygoid Hamulus

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10
Q

Which pterygoid plate does the medial pterygoid muscle attach to?

A

Lateral Pterygoid plate (medial surface)

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11
Q

Which head of the lateral pterygoid muscle attaches to the lateral portion of the lateral pterygoid plate?

A

Inferior head

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12
Q

Where does the superior head of the lateral pterygoid muscle insert?

A

pterygoid fovea, TMJ joint capsule, TMJ articular disk**

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13
Q

What branch/nerve feeds the pterygoid muscles?

A

Opthalmic branch of the trigeminal nerve

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14
Q

Where do the heads of the temporalis originate?

A

Deep: Inferior temporal line, Superficial: temporal fascia

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15
Q

What superficially covers the masticatory muscles?

A

Masserteric fascia

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16
Q

What fascia is the deep cervical fascia a part of?

A

Masserteric fascia

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17
Q

What forms the lateral and inferior border of the temporal fossa?

A

zygomatic arch

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18
Q

On what bone is the superior temporal line?

A

Parietal

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19
Q

Where does the temporalis insert?

A

the anterior (and sometimes lateral) portion of the coronoid process/ramus

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20
Q

What separates the temporalis heads?

A

Deep temporal fascia

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21
Q

What 3 muscles form the musclar line along the pteryomaxillary fissure?

A

inferior/superior head of lateral pterygoid, superficial head of medial pterygoid

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22
Q

How is the TMJ cartilage different from other joints?

A

it is covered by a relatively thick layer of fibrocartilage

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23
Q

What separates the opposing fibrocartilage surfaces of the TMJ

A

Articular disk

24
Q

Anterior band

A

Portion of the articular disk bound to the anterior portion of the TMJ capsule

25
Q

What part of the articular disk is thickest?

A

Posterior band

26
Q

What does the articular disk divide in the TMJ?

A

Superior/inferior disk space

27
Q

Where are depression/elevtion movements of the mandible accomplished in the TMJ?

A

inferior disk space

28
Q

Where are anterior/posterior movements of the mandible accomplished?

A

Superior disk space

29
Q

What is the connection between the posterior end of the articular disk and joint capsule?

A

Retrodiskal Tissue

30
Q

What produces the TMJ click?

A

The articular disk sliding back and forth over the anterosuperior surface of the condyle

31
Q

What divides the parotid gland?

A

Masseter

32
Q

What fascia envelops the parotid gland?

A

Medial: masserteric fasic, Lateral: Parotid fascia

33
Q

Exit foramen of the facial nerve?

A

Stylomastoid foramen

34
Q

Where does the facial nerve bifurcate?

A

the parotid gland (temporofacial and cervicofacial divisions)

35
Q

What is the path of the parotid duct?

A

anterior surface of the gland, over the lateral surface of the masseter, dives medial at the anterior margin of the masseter, pierces the buccinator to enter the oral cavity

36
Q

What is the opening inside the mouth for the parotid duct?

A

Parotid papilla

37
Q

Parotitis

A

Inflamation of the parotid gland. Blockage of the gland/duct. Increased size of papilla and gritty discharge into the mouth

38
Q

Path of the posterior auricular artery

A

Off of ECA, deep t oparotid gland, posterior border of the external auditory meatus, crossing supramastoid crest

39
Q

Where dose the ECA bifurcate?

A

Parotid gland

40
Q

Path of the superior temporal artery

A

from parotid gland, runs superiorly along anterior border of EAM, gives rise to middle temporal artery at zygomatic process of temporal, branches over the surface of the temporalis

41
Q

What are the borders of the mandibular segment of the maxillary artery?

A

Deep to neck of condylar process, superficial to sphenomandibularligament

42
Q

Pterygoid segment of the maxillary artery borders

A

Deep to coronoid process/insertion of temporalis, lateral surface of lateral pterygoid muscle

43
Q

Demarcation for pterygomaxillary segment of maxillary artery

A

The passage between the lateral pterygoid heads

44
Q

Deep temporal arteries path

A

Off of pterygoid segment of Max artery, enter deep head of temporalis, astamose with middle temporal artery

45
Q

Where is the maxiallry venous plexus?

A

Deep to coronoid process and temporalis, superficial to lateral pterygoid

46
Q

What forms the anterior retromandibular vein?

A

Maxillary venous plexus, superficial temporal vein

47
Q

Veins that form the EJV

A

Posterior retromandibular vein, posterior auricular vein

48
Q

What veins run thru the parotid gland?

A

Anterior/posterior retroarticular veins

49
Q

Veins that form the IJV

A

Anterior retromandibular vein+facial vein + lingual vein= Common truck, merges with IJV

50
Q

Largest of trigeminal nerve branches

A

Mandibular

51
Q

Foramen for mandibular division of trigeminal nerve

A

foramen ovale

52
Q

Path of mandibular division

A

Exits via foramen ovale, deep to temporalis/coronoid process, superficial to pterygoids

53
Q

Sensory paths of mandibular division

A

parotid, auriculotemporal, masseteric

54
Q

Motor paths of mandibular division

A

4 muscles of mastication

55
Q

4 muscles of mastication

A

temporalis, medial/lateral pterygoids, masseteric

56
Q

3 neural components of parotid gland

A

Auriculotemporal (via otic ganglion), lesser petrosal nerve (via otic ganglion/glossopharyngeal nerve), superior cervical gangion/carotid plexus (sympathetic innervation)

Anatomy (35 decks)

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