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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
Q

The posterior border of infratemporal fossa is

A

tympanic plate, mastoid, styloid process

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26
Q

The roof of the infratemporal fossa is made up of the…surface of the… wing of the sphenoid, …. bone and which 2 foramina?

A
  • inferior
  • greater
  • temporal
  • foramen ovale
  • foramen spinosum
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27
Q

What does foramen spinosum transmit?

A

Middle Meningeal Artery**

also meningeal branch of CNV3

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28
Q

What does foramen ovale transmit?

A

CNV3**

also accessory meningeal a.

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29
Q

What muscles are in the infratemporal fossa?

A
  • temporalis

- medial and lateral pterygoid mm.

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30
Q

What artery and veins are in the infratemporal fossa?

A

maxillart artery (and branches) and pterygoid plexus of veins

31
Q

What nerves are associated with the infratemporal fossa?

A
  • CNV3
  • PSA (from CNV2)
  • Chorda tympani (branch of CNVII)
  • Otic ganglion
  • Lesser petrosal n.
32
Q

The chorda tympani conveys… from the….

A
  • taste

- anterior 2/3 of tongue

33
Q

The chorda tympani, which is a branch of…, joins with the…. in the infratemporal fossa which is a branch of CNV3

A
  • CNVII

- Lingual nerve

34
Q

CNV3 has a large… root and a small… root

A
  • sensory

- motor

35
Q

The large sensory root of CNV3 senses from what ?

A
  • general sensation of anterior 2/3 tongue

- mandibular gingiva

36
Q

The motor of CNV3 is innervation to…

A

MOM

37
Q

What is the 1st immediate banch from CNV3

A

meningeal branch n.

38
Q

Anterior division of CNV3 is small and mainly…. but it has 1 exception

A
  • motor

- 1 sensory branch (buccal n.)

39
Q

Posterior division of CNV3 is large and mainly… but has 1 exception

A
  • sensory

- 1 motor branch (mylohyoid n.)

40
Q

What are the sensory branches of CNV3? (5)

A
  • auriculotemporal
  • buccal
  • inferior alveolar
  • lingual
  • meningeal (branches immediately and goes back into cranium)
41
Q

What are the motor branches of CNV3? (5)

A
  • masseteric
  • deep temporal (A and P) nn.
  • M. pterygoid n.
  • L. pterygoid n.
42
Q

Which branch of CNV3 is recurrent?

A

meningeal n.

43
Q

Exception in the CNV3 large sensory posterior root?

A

Mylohyoid nerve (motor)

44
Q

Exception in the CNV3 small motor anterior root?

A

buccal nerve (sensory)

45
Q

The masseteric nerve runs with… and supply masseter (through the….)

A
  • masseteric artery

- mandibular notch

46
Q

The deep temporal nerves run deep with… and supply…. (passes deep to it)

A
  • deep temporal aa.

- temporalis

47
Q

Medial and lateral pterygoid nn. run with

A

medial and lateral pterygoid aa.

48
Q

The buccal nerve and artery run together. The buccal artery is usually more…. to the nerve. They both run … to pterygoids

A
  • medial

- anterior

49
Q

The inferior alveolar n. and lingual n. from CNV3 will be seen running between…

A

medial and lateral pterygoids

50
Q

inferior alveolar n. runs with… and they will enter the… canal on the … surface of the ramus

A
  • inferior alveolar artery
  • mandibular
  • medial
51
Q

The inferior alveolar nerve give off… before it goes through mandibular canal

A

-mylohyoid nerve

52
Q

What kind of fibers are in chorda tympani?

A

preganglionic

53
Q

The special sensory branch of CNVII is… which joins lingual n. posteriorly

A

-chorda tympani

54
Q

The chorda tympani supplies… innervation to lower 2 salivary glands (submandibular and sublingual)

A

parasympathetic (preganglionic)

55
Q

The chorda tympani carries … fibers from …. of tongue

A
  • taste

- anterior 2/3 tongue

56
Q

The TMJ is a … type synovial joint (has synovial membrane and fluid)

A

modified hinge

57
Q

The TMJ has a relatively lax… surrounding joint to allow for movement

A

articular capsule

58
Q

The TMJ is thickened laterally to form ..

A

lateral Temporomandibular ligament

59
Q

The TMJ contains an articular disc between.. and…

A

temporal bone and mandible

60
Q

Movements of the TMJ include … and… actions

A

hinge and gliding

61
Q

The articular disc has a … shape

A

biconcave

62
Q

The anterior attachment of the articular disc is… and the posterior attachment is…

A
  • lateral pterygoid

- capsule

63
Q

Protrusion of the TMJ is done by the…

A

lateral and medial pterygoids

64
Q

Retraction of the TMJ is done by…

A
  • temporalis
  • masseter
  • geniohyoid
  • digastric
65
Q

Elevation of the TMJ is done by…

A
  • temporalis
  • masseter
  • medial pterygoid
66
Q

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

A
  • gravity
  • digastric
  • geniohyoid
  • mylohyoid
  • lateral pterygoid** also
67
Q

The articular disc shape on the superior surface is… to fit articular tubercle and mandibular fossa

A

concavoconvex

68
Q

The articular disc shape on the inferior surface is…. to fit around…

A
  • concave

- mandibular condyle

69
Q

The articular disc increases in thickness toward … where it attaches to…

A
  • periphery

- articular capsule

70
Q

The accessory ligaments of the TMJ are… and…

A

stylomandibular

sphenomandibular

71
Q

The stylomandibular ligament is located from the… to posterior border of…. This ligament separates… and… glands

A
  • styloid process
  • mandibular ramus
  • parotid and submandibular
72
Q

The sphenomandibular ligament is located from the spine of … bone to … of mandible. This ligament is separated from capsule by … artery and … nerve

A
  • sphenoid
  • lingula
  • maxillary a.
  • auriculotemporal n.
73
Q

The auriculotemporal nerve splits around… while they are passing between the joint capsule and….

A
  • middle meningeal artery

- sphenomandibular ligament

74
Q

The 2 small first branches of maxillary artery are… and they both help to supply the joint capsule along with…

A
  • deep auricular and anterior tympanic

- TMJ branches from superficial temporal aa.

SP2017 Anatomy Exam#2 (14 decks)

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