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SP16 - Anatomy, Exam 2 > Parotid and Temporal Regions and TMJ > Flashcards

Parotid and Temporal Regions and TMJ Flashcards

1
Q

What nerve pierces the parotid gland?

A

Facial n.

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2
Q

What artery goes through the parotid gland?

A

External carotid a.

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3
Q

What vein goes through the parotid gland?

A

Retromandibular v.

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4
Q

What is the relationship of the parotid gland to the ear?

A

The gland is just inferior to the external acoustic meatus

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5
Q

What disease can cause a swelling of the parotid gland?

A

Mumps

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6
Q

The retromandibular v. is formed by these two veins.

A

Superficial temporal and maxillary vv.

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7
Q

The retromandibular v. enters the parotid gland in this area.

A

Posterior to ramus of the mandible

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8
Q

The two divisions of the retromandibular vein drain into these two veins.

A

External and internal jugular vv.

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9
Q

This portion of the external carotid artery is found in the parotid gland.

A

Distal

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10
Q

The external carotid artery parallels this vein, just deep to it.

A

Retromandibular v.

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11
Q

Where does the external carotid artery split into its two terminal branches?

A

Posterior to the mandibular neck

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12
Q

What are the two terminal branches of the external carotid artery?

A

Superficial temporal a.

Maxillary a.

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13
Q

Where does CN VII enter the cranium?

A

Internal acoustic meatus

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14
Q

Where does CN VII exit the cranium?

A

Stylomastoid foramen

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15
Q

The facial nerve forms this within the parotid gland

A

Parotid plexus`

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16
Q

The branches of the facial nerve fan out over this aspect of the face

A

Lateral

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17
Q

What are the branches of the facial nerve?

A 
Posterior auricular n.
Temporal branch
Zygomatic branch
Buccal branch
Marginal mandibular branch
Cervical branch
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18
Q

Where is the facial canal located?

A

Within the petrous portion of the temporal bone between the stylomastoid foramen and internal acoustic meatus

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19
Q

The muscles of facial expression are derived from this embryological arch

A

2nd pharyngeal arch

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20
Q

The parotid bed is bordered by this muscle on the posterior

A

Digastric m.

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21
Q

The anterior border of the parotid bed is this structure

A

Ramus of the mandible

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22
Q

What arteries are found in the parotid bead?

A

Occipital artery

Inferior Cervical artery

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23
Q

What vein is found in the parotid bed?

A

Internal Jugular v.

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24
Q

What nerves are found in the parotid bed?

A

CN VII
Hypoglossal n.
Accessory n.
Stylohyoid n.

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25
Q

Where is the submessenteric space found?

A

Deep to the masseter m.

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26
Q

The middle meningeal artery passes inferior to this landmark on the skull

A

Pterion

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27
Q

What are the contents of the temporal fossa?

A

Temporal fat pad
Temporalis m.
Neurovasculature

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28
Q

The middle temporal artery is a branch of this artery

A

Superficial temporal a.

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29
Q

Where does the middle temporal a. branch from the superficial a.?

A

Just above zygomatic arch

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30
Q

The middle temporal artery feeds and anastomose with these arteries

A

Deep temporal arteries

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31
Q

the deep temporal arteries branch off of this artery

A

Maxillary a.

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32
Q

The nerves that supply the temporal fossa are branches of what nerve?

A

CN V3 (Mandibular branch)

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33
Q

The deep temporal branches and the buccal branch both branch off of this portion of the maxillary artery

A

Pterygoid

34
Q

What are the branches of the mandibular portion of the maxillary artery?

A 
Anterior tympanic
Deep auricular
Middle meningeal
Accessory meningeal
Inferior alveolar
35
Q

The middle meningeal branch of the maxillary artery passes through what foramen?

A

Foramen spinosum

36
Q

What branch of the maxillary artery goes through the foramen ovale?

A

Accessory meningeal

37
Q

What does the inferior alveolar branch of the maxillary artery pass through?

A

Mandibular canal

38
Q

The meningeal branch of CN V3 supplies what?

A

Dura mater

39
Q

The anterior division of CN V3 is mostly this type of nerve

A

Motor

40
Q

What branch of the anterior division of CN V3 is not motor?

A

Buccal n.

41
Q

The posterior division of CN V3 is mostly this kind of nerve

A

Sensory

42
Q

What branch or the posterior portion of CN V3 is not sensory?

A

Mylohyoid n.

43
Q

The auriculotemporal n. travels with what artery and vein?

A

Superficial temporal a and v

44
Q

What nerve bifurcates around the middle meningeal artery?

A

Auriculotemporal n.

45
Q

Where does the auriculotemporal n. run?

A

Deep to parotid gland and posterior to TMJ

46
Q

What nerve provides sensory innervation to the TMJ and lateral scalp?

A

Auriculotemporal n.

47
Q

The auriculotemporal n. carries parasympathetic fibers from what cranial nerve?

A

CN IX

48
Q

What two nerves innervate the temporalis m?

A

Anterior and Posterior Deep temporal nn.

49
Q

What are the branches of the anterior division of CN V3?

A

Deep temporal nn.
Nerve to lateral pterygoid
Masseteric n.
Buccal n.

50
Q

What are the branches of the posterior division of CN V3?

A 
Lingual n.
Mental n.
Inferior alveolar n.
Auriculotemporal n.
Nerve to mylohyoid
51
Q

What does the chorda tympani n. branch off of?

A

Lingual n.

52
Q

What muscles are found in the infratemporal fossa?

A

Temporalis m.
Medial pterygoid m.
Lateral pterygoid m.

53
Q

What arteries are found in the infratemporal fossa?

A

Maxillary nerve and its branches

54
Q

What veins are found in the infratemporal fossa?

A

Pterygoid plexus of nerves

55
Q

What nerves are found in the infratemporal fossa?

A 
Mandibular division of CN V (CN V3)
Posterior superior alveolar n. (CN V2)
Chorda tympani n. branch of CN VII
Otic ganglion
Lesser petrosal n.
56
Q

The lower head of the lateral pterygoid inserts here

A

Between the deep and superficial heads of the medial pterygoid m.

57
Q

Where does the sphenomandibular ligament run?

A

From sphenoid to lingula

58
Q

What is the action of the sphenomandibular ligament?

A

Stabilize jaw during mastication

Protects nerves

59
Q

What nerve is found inferior to the medial pterygoid m.?

A

Nerve to mylohyoid

60
Q

Branches of CN V3 that are motor?

A

Messenteric n.
Deep temporal nn.
Medial and lateral pterygoid mm.

61
Q

What branches of CN V3 are sensory?

A

Auriculotemporal n.
Buccal n.
Inferior Alveolar n.
Lingual n.

62
Q

What branch of CN V3 is found superior to the lateral pterygoid?

A

Messeteric n.

63
Q

What nerves are found between the medial and lateral pterygoid mm.?

A

Lingual n.

Inferior alveolar n.

64
Q

What are the nerves of mastication?

A

Masseteric n.
Deep temporal nn.
Medial and lateral pterygoid nn.

65
Q

This nerve runs through the mandibular notch and may be in danger if the TMJ is dislocated.

A

Masseteric n.

66
Q

What nerves supply the temporalis muscle?

A

Deep temporal nn.

67
Q

The inferior alveolar nerve and artery pass on top of this ligament

A

Sphenomandibular ligament

68
Q

This nerve branches off the inferior alveolar nerve just before it enters the mandibular foramen

A

Mylohyoid nerve

69
Q

This nerve is a special sensory branch of CN VII

A

Chorda tympani n.

70
Q

What nerve does the chorda tympani n. join up with?

A

Lingual n.

71
Q

What does the chorda tympani n. innervate?

A

Parasympathetics to lower 2 salivary glands

Taste fibers from anterior 2/3 of tongue

72
Q

Where do the preganglionic fibers from CN VII synapse?

A

Submandibular ganglion

73
Q

What bones form the TMJ?

A

Temporal bone

Mandible

74
Q

What type of joint is the TMJ?

A

Modified hinge type synovial joint

75
Q

The TMJ has this between the temporal bone and mandilbe

A

Articular disc

76
Q

What are the ligaments of the TMJ?

A

Lateral ligament
Sphenomandibular ligament
Stylomandibular ligament

77
Q

The TMJ has these two type of motions

A

Hinge

Glide

78
Q

Where is the stylomandibular ligament located?

A

From styloid process to posterior border of the mandibular ramus

79
Q

What separates the parotid and submandibular glands?

A

Stylomandibular ligament

80
Q

Where is the sphenomandibular ligament located?

A

Spine of sphenoid bone to lingula of mandible

81
Q

What seperates the sphenomandibular ligament from the capsule?

A

Maxillary a.

Auriculotemporal n.

SP16 - Anatomy, Exam 2 (11 decks)

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