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

Parotid and Temporal Regions and TMJ Flashcards

(81 cards)

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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
Where is the submessenteric space found?
Deep to the masseter m.
26
The middle meningeal artery passes inferior to this landmark on the skull
Pterion
27
What are the contents of the temporal fossa?
Temporal fat pad Temporalis m. Neurovasculature
28
The middle temporal artery is a branch of this artery
Superficial temporal a.
29
Where does the middle temporal a. branch from the superficial a.?
Just above zygomatic arch
30
The middle temporal artery feeds and anastomose with these arteries
Deep temporal arteries
31
the deep temporal arteries branch off of this artery
Maxillary a.
32
The nerves that supply the temporal fossa are branches of what nerve?
CN V3 (Mandibular branch)
33
The deep temporal branches and the buccal branch both branch off of this portion of the maxillary artery
Pterygoid
34
What are the branches of the mandibular portion of the maxillary artery?
``` Anterior tympanic Deep auricular Middle meningeal Accessory meningeal Inferior alveolar ```
35
The middle meningeal branch of the maxillary artery passes through what foramen?
Foramen spinosum
36
What branch of the maxillary artery goes through the foramen ovale?
Accessory meningeal
37
What does the inferior alveolar branch of the maxillary artery pass through?
Mandibular canal
38
The meningeal branch of CN V3 supplies what?
Dura mater
39
The anterior division of CN V3 is mostly this type of nerve
Motor
40
What branch of the anterior division of CN V3 is not motor?
Buccal n.
41
The posterior division of CN V3 is mostly this kind of nerve
Sensory
42
What branch or the posterior portion of CN V3 is not sensory?
Mylohyoid n.
43
The auriculotemporal n. travels with what artery and vein?
Superficial temporal a and v
44
What nerve bifurcates around the middle meningeal artery?
Auriculotemporal n.
45
Where does the auriculotemporal n. run?
Deep to parotid gland and posterior to TMJ
46
What nerve provides sensory innervation to the TMJ and lateral scalp?
Auriculotemporal n.
47
The auriculotemporal n. carries parasympathetic fibers from what cranial nerve?
CN IX
48
What two nerves innervate the temporalis m?
Anterior and Posterior Deep temporal nn.
49
What are the branches of the anterior division of CN V3?
Deep temporal nn. Nerve to lateral pterygoid Masseteric n. Buccal n.
50
What are the branches of the posterior division of CN V3?
``` Lingual n. Mental n. Inferior alveolar n. Auriculotemporal n. Nerve to mylohyoid ```
51
What does the chorda tympani n. branch off of?
Lingual n.
52
What muscles are found in the infratemporal fossa?
Temporalis m. Medial pterygoid m. Lateral pterygoid m.
53
What arteries are found in the infratemporal fossa?
Maxillary nerve and its branches
54
What veins are found in the infratemporal fossa?
Pterygoid plexus of nerves
55
What nerves are found in the infratemporal fossa?
``` 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
The lower head of the lateral pterygoid inserts here
Between the deep and superficial heads of the medial pterygoid m.
57
Where does the sphenomandibular ligament run?
From sphenoid to lingula
58
What is the action of the sphenomandibular ligament?
Stabilize jaw during mastication | Protects nerves
59
What nerve is found inferior to the medial pterygoid m.?
Nerve to mylohyoid
60
Branches of CN V3 that are motor?
Messenteric n. Deep temporal nn. Medial and lateral pterygoid mm.
61
What branches of CN V3 are sensory?
Auriculotemporal n. Buccal n. Inferior Alveolar n. Lingual n.
62
What branch of CN V3 is found superior to the lateral pterygoid?
Messeteric n.
63
What nerves are found between the medial and lateral pterygoid mm.?
Lingual n. | Inferior alveolar n.
64
What are the nerves of mastication?
Masseteric n. Deep temporal nn. Medial and lateral pterygoid nn.
65
This nerve runs through the mandibular notch and may be in danger if the TMJ is dislocated.
Masseteric n.
66
What nerves supply the temporalis muscle?
Deep temporal nn.
67
The inferior alveolar nerve and artery pass on top of this ligament
Sphenomandibular ligament
68
This nerve branches off the inferior alveolar nerve just before it enters the mandibular foramen
Mylohyoid nerve
69
This nerve is a special sensory branch of CN VII
Chorda tympani n.
70
What nerve does the chorda tympani n. join up with?
Lingual n.
71
What does the chorda tympani n. innervate?
Parasympathetics to lower 2 salivary glands | Taste fibers from anterior 2/3 of tongue
72
Where do the preganglionic fibers from CN VII synapse?
Submandibular ganglion
73
What bones form the TMJ?
Temporal bone | Mandible
74
What type of joint is the TMJ?
Modified hinge type synovial joint
75
The TMJ has this between the temporal bone and mandilbe
Articular disc
76
What are the ligaments of the TMJ?
Lateral ligament Sphenomandibular ligament Stylomandibular ligament
77
The TMJ has these two type of motions
Hinge | Glide
78
Where is the stylomandibular ligament located?
From styloid process to posterior border of the mandibular ramus
79
What separates the parotid and submandibular glands?
Stylomandibular ligament
80
Where is the sphenomandibular ligament located?
Spine of sphenoid bone to lingula of mandible
81
What seperates the sphenomandibular ligament from the capsule?
Maxillary a. | Auriculotemporal n.

SP16 - Anatomy, Exam 2 (11 decks)

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