Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Z-Anatomy > Infratemporal Fossa > Flashcards

Infratemporal Fossa Flashcards

1
Q

What is the posterior border of the infra temporal fossa?

A

Tympanic plate and mastoid process

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is the superior border of the infra temporal fossa?

A

Zygomatic arch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the lateral border of the infra temporal fossa?

A

ramus of the mandible

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is the medial border of the infra temporal fossa?

A

lateral pterygoid plate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is the anterior border of the infra temporal fossa?

A

Post. maxilla

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what muscles are in the infratemporal fossa?

A
  • Temporalis (inferior part)
  • Medial pterygoid
  • lateral pterygoid
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what nerves are in the infratemporal fossa?

A
  • branches of CN V3 (auriculotemporal, inferior alveolar, lingual and buccal)
  • chorda tympani (CN VII)
  • Otic ganglion
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

what artery is in the infratemporal fossa?

A

maxillary artery (and its branches)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

what veins are in the infratemporal fossa?

A

Pterygoid plexus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

what is the function of the lateral pterygoid?

A

Opens jaw

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

what is the origin of the superior head of the lateral pterygoid?

A

infratemporal crest of the greatest wing of sphenoid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

what is the origin of the inferior head of the lateral pterygoid?

A

lateral surface of lateral pterygoid plate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

what is the insertion of the superior head of the lateral pterygoid?

A

mandibular (pterygoid) fovea

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

what is the insertion of the inferior head of the lateral pterygoid?

A

TMJ capsule and articular disc

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

what is the innervation of lateral pterygoid?

A

CN V3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

what is the function of the medial pterygoid?

A

closes jaw

17
Q

what is the origin of the deep head of the medial pterygoid?

A

medial surface of lateral pterygoid plate

18
Q

what is the origin of the superficial head of the medial pterygoid?

A

tuberosity of maxilla

19
Q

what is the insertion of the medial pterygoid?

A

medial surface of mandibular ramus

20
Q

what is the pterygoid venous plexus?

A

network of veins

21
Q

what is the infection risk of pterygoid venous plexus?

A

communication between superficial face and dural venous sinuses

22
Q

what are the branches of the 1st part of the maxiallary artery?

A
  • Deep auricular
  • Anterior tympanic
  • Middle meningeal
  • Accessory middle meningeal
  • Inferior alveolar
23
Q

what are the branches of the 2nd part of the maxiallary artery?

A
  • Deep temporal
  • Masseteric branches
  • Pterygoid branches
  • Buccal branch
24
Q

what are the branches of the 3rd part of the maxiallary artery?

A
  • Sphenopalatine
  • Descending palatine
  • Posterior superior alveolar
  • Infra-orbital
  • Pharyngeal branches
  • Vidian (a. of pterygoid canal)
25
where do the motor and sensory roots of the mandibular nerve unite?
Outside the cranial vault
26
where does the mandibular nerve divide into an anterior and posterior part?
After foreman ovale
27
what are the branches of the anterior division of the mandibular nerve?
- deep temporal - buccal - muscular branches
28
what modality is deep temporal and what does it supply?
- motor | - temporalis
29
what modality is buccal and what does it supply?
- sensory | - mucosa and skin of the cheek
30
what modality is the muscular branches and what does it supply?
- motor - massester - lateral pterygoid
31
what are the branches of the posterior division of the mandibular nerve?
- auriculotemporal - inferior alveolar - nerve to mylohyoid - mental - lingual
32
what modality is the muscular auriculotemporal and what does it supply?
- sensory | - tragus and posterior temple
33
what modality is the inferior alveolar nerve and what does it supply?
- sensory - lower dental arch - mandibular labial gingivae
34
what modality is the nerve to mylohyoid and what does it supply?
- motor | - mylohoid and ABD
35
what modality is the mental nerve and what does it supply?
- sensory | - chin,lower lip mucosa , gingivae of lower 3-3
36
what modality is the lingual and what does it supply?
- sensory - anterior 2/3 of tongue - floor of mouth - mandibular lingual gingivae
37
what supplies the parotid gland with parasympathetic innervation (secretomotor)?
CN IX - hitches a ride on branches of CN V3
38
what does the chorda tympani branch of CN VII connects to and what does it supply?
- connects to the lingual nerve branch of CN V3 | - Special sense of taste from anterior 2/3 tongue and palate carried in chorda tympani fibres to CN VII
39
what does CN VII parasympathetic axons supply?
secretomotor innervation to the submandibular and sublingual salivary glands

Z-Anatomy (25 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions