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SP2017 Anatomy Exam#2 > Lecture 5- Parotid, Temporal and TMJ > Flashcards

Lecture 5- Parotid, Temporal and TMJ Flashcards

1
Q

What goes through the parotid gland?

A
  • retromandibular vein
  • facial nerve
  • ECA
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2
Q

Swelling of parotid gland (such as mumps) will push ear…

A

superolateral

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3
Q

The retromandibular is formed by…. and…

A

superficial temporal and maxillary vv.

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4
Q

The retromandibular vein splits and the posterior divison drains to… and the anterior portion will ultimately drain to..

A
  • EJV

- IJV

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5
Q

The external jugular vein is formed by … and…

A

posterior division of retromandibular and posterior auricular vein

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6
Q

All 6 branches of ECA come off before… and it splits into the 2 terminal branches… and… after the parotid gland

A
  • parotid gland

- superficial temporal and maxillary

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7
Q

The superficial temporal artery will pass between the … and…

A

external acoustic meatus and TMJ

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8
Q

The artery, vein and nerve of the parotid gland are found close to the posterior surface of the ramus and they are oriented so that … is most lateral and … is most medial and retromandibular vein is in the middle

A
  • facial nerve (lateral)

- ECA (medial)

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9
Q

What muscles are involved in the parotid bed?

A
  • stylohyoid m.
  • posterior digastric
  • SCM
  • masseter
  • medial pterygoid
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10
Q

Parotid fascia is continuous with …. layer

A

investing

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11
Q

The facial nerve exits cranium via… and innervate all… which come from pharyngeal arch #

A
  • stylomastoid foramen
  • m. of facial expression
  • 2
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12
Q

The temporal fossa is supplied mostly by the…. arteries which come off the… artery. But it also is supplied by the…. artery which comes off…

A
  • deep temporal arteries
  • maxillary artery
  • middle temporal
  • superficial temporal
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13
Q

The temporal fossa is innervated mainly by…. but also has some … innervation by the…. nerve

A
  • CNV3 (mandibular branch of trigeminal)
  • CNV2
  • zygomaticotemporal
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14
Q

The maxillary artery has 3 parts, they are…

A
  1. mandibular
  2. pterygoid
  3. pterygopalatine
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15
Q

The deep temporal arteries that supply the temporal fossa are usually associated with what part of the maxillary artery?

A

2nd part, pterygoid

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16
Q

… gives off the deep temporal nerves. This same nerve gives off a more superficial nerve called…. that travels superiorly and over the zygomatic arch

A
  • CNV3

- auriculotemporal

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17
Q

Auriculotemporal nerve travels with…. a. and v.

A

superficial temporal

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18
Q

Auriculotemporal nerve runs deeps to… and posterior to… and is between the… and…

A
  • parotid gland
  • TMJ
  • auricle
  • condyle of mandible
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19
Q

The auriculotemporal nerve provides… innervation to … and….

A
  • sensory
  • TMJ
  • lateral scalp
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20
Q

The auriculotemporal also carries parasympathetic fibers from… to ..

A
  • CNIX

- parotid gland

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21
Q

The anterior and posterior deep temporal nn. pass superior to…. and deep to….

A
  • lateral pterygoid m.

- temporalis m.

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22
Q

The lateral border of the infratemporal fossa is

A

ramus of mandible

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23
Q

The medial border of the infratemporal fossa is

A

lateral pterygoid plate

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24
Q

The anterior border of infratemporal fossa is

A

maxilla

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25
The posterior border of infratemporal fossa is
tympanic plate, mastoid, styloid process
26
The roof of the infratemporal fossa is made up of the...surface of the... wing of the sphenoid, .... bone and which 2 foramina?
- inferior - greater - temporal - foramen ovale - foramen spinosum
27
What does foramen spinosum transmit?
Middle Meningeal Artery** | also meningeal branch of CNV3
28
What does foramen ovale transmit?
CNV3** | also accessory meningeal a.
29
What muscles are in the infratemporal fossa?
- temporalis | - medial and lateral pterygoid mm.
30
What artery and veins are in the infratemporal fossa?
maxillart artery (and branches) and pterygoid plexus of veins
31
What nerves are associated with the infratemporal fossa?
- CNV3 - PSA (from CNV2) - Chorda tympani (branch of CNVII) - Otic ganglion - Lesser petrosal n.
32
The chorda tympani conveys... from the....
- taste | - anterior 2/3 of tongue
33
The chorda tympani, which is a branch of..., joins with the.... in the infratemporal fossa which is a branch of CNV3
- CNVII | - Lingual nerve
34
CNV3 has a large... root and a small... root
- sensory | - motor
35
The large sensory root of CNV3 senses from what ?
- general sensation of anterior 2/3 tongue | - mandibular gingiva
36
The motor of CNV3 is innervation to...
MOM
37
What is the 1st immediate banch from CNV3
meningeal branch n.
38
Anterior division of CNV3 is small and mainly.... but it has 1 exception
- motor | - 1 sensory branch (buccal n.)
39
Posterior division of CNV3 is large and mainly... but has 1 exception
- sensory | - 1 motor branch (mylohyoid n.)
40
What are the sensory branches of CNV3? (5)
- auriculotemporal - buccal - inferior alveolar - lingual - meningeal (branches immediately and goes back into cranium)
41
What are the motor branches of CNV3? (5)
- masseteric - deep temporal (A and P) nn. - M. pterygoid n. - L. pterygoid n.
42
Which branch of CNV3 is recurrent?
meningeal n.
43
Exception in the CNV3 large sensory posterior root?
Mylohyoid nerve (motor)
44
Exception in the CNV3 small motor anterior root?
buccal nerve (sensory)
45
The masseteric nerve runs with... and supply masseter (through the....)
- masseteric artery | - mandibular notch
46
The deep temporal nerves run deep with... and supply.... (passes deep to it)
- deep temporal aa. | - temporalis
47
Medial and lateral pterygoid nn. run with
medial and lateral pterygoid aa.
48
The buccal nerve and artery run together. The buccal artery is usually more.... to the nerve. They both run ... to pterygoids
- medial | - anterior
49
The inferior alveolar n. and lingual n. from CNV3 will be seen running between...
medial and lateral pterygoids
50
inferior alveolar n. runs with... and they will enter the... canal on the ... surface of the ramus
- inferior alveolar artery - mandibular - medial
51
The inferior alveolar nerve give off... before it goes through mandibular canal
-mylohyoid nerve
52
What kind of fibers are in chorda tympani?
preganglionic
53
The special sensory branch of CNVII is... which joins lingual n. posteriorly
-chorda tympani
54
The chorda tympani supplies... innervation to lower 2 salivary glands (submandibular and sublingual)
parasympathetic (preganglionic)
55
The chorda tympani carries ... fibers from .... of tongue
- taste | - anterior 2/3 tongue
56
The TMJ is a ... type synovial joint (has synovial membrane and fluid)
modified hinge
57
The TMJ has a relatively lax... surrounding joint to allow for movement
articular capsule
58
The TMJ is thickened laterally to form ..
lateral Temporomandibular ligament
59
The TMJ contains an articular disc between.. and...
temporal bone and mandible
60
Movements of the TMJ include ... and... actions
hinge and gliding
61
The articular disc has a ... shape
biconcave
62
The anterior attachment of the articular disc is... and the posterior attachment is...
- lateral pterygoid | - capsule
63
Protrusion of the TMJ is done by the...
lateral and medial pterygoids
64
Retraction of the TMJ is done by...
- temporalis - masseter - geniohyoid - digastric
65
Elevation of the TMJ is done by...
- temporalis - masseter - medial pterygoid
66
Depression of the TMJ is done mainly by... but also..., ..., and... which are all are suprahyoid muscles meaning if the mandible is moving, the hyoid is fixed
- gravity - digastric - geniohyoid - mylohyoid - lateral pterygoid** also
67
The articular disc shape on the superior surface is... to fit articular tubercle and mandibular fossa
concavoconvex
68
The articular disc shape on the inferior surface is.... to fit around...
- concave | - mandibular condyle
69
The articular disc increases in thickness toward ... where it attaches to...
- periphery | - articular capsule
70
The accessory ligaments of the TMJ are... and...
stylomandibular | sphenomandibular
71
The stylomandibular ligament is located from the... to posterior border of.... This ligament separates... and... glands
- styloid process - mandibular ramus - parotid and submandibular
72
The sphenomandibular ligament is located from the spine of ... bone to ... of mandible. This ligament is separated from capsule by ... artery and ... nerve
- sphenoid - lingula - maxillary a. - auriculotemporal n.
73
The auriculotemporal nerve splits around... while they are passing between the joint capsule and....
- middle meningeal artery | - sphenomandibular ligament
74
The 2 small first branches of maxillary artery are... and they both help to supply the joint capsule along with...
- deep auricular and anterior tympanic | - TMJ branches from superficial temporal aa.

SP2017 Anatomy Exam#2 (14 decks)

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