Infratemporal and pterygopalatine fossa 10/24/16 TEST #3 Flashcards Preview

Anatomy HFF > Infratemporal and pterygopalatine fossa 10/24/16 TEST #3 > Flashcards

Flashcards in Infratemporal and pterygopalatine fossa 10/24/16 TEST #3 Deck (50):
1

What branch of the trigeminal nerve goes through the infratemporal fossa?

CN V-3 via foramen ovale

2

What artery goes through the foramen spinosum and is found in the infratemporal fossa?

Middle meningeal

3

Is the infratemporal fossa lateral or medial on the skull?

Lateral

4

What space is medial to the infratemporal fossa?

Pterygomaxillary fissure

5

What space is medial to the pterygomaxillary fissure?

Pterygopalatine fossa

6

What space is medial to the pterygopalatine fossa?

Sphenopalatine foramen

7

What space is medial to the sphenopalatine fossa?

Nasal cavity

8

What nerve traverses through the pteryotympanic fissure?

Chorda tympani

9

What is important about the mandibular fossa?

It is an articulation place for the TMJ

10

What structures are involved with the TMJ?

Mandibular fossa
-Articular disc
-Mandibular condyle
-Joint capsule

11

What is between the head of the condyle and the mandibular fossa?

Articular disc

12

Contraction of what muscle pulls both the condylar head and articular disc anterioinferioly to depress the mandible?

Lateral Pterygoid

13

What are the muscles of mastication?

-Temporalis
-Masseter
-Medial pterygoid
-Lateral pterygoid

14

What innervates the muscles of mastication?

V3

15

What portions of the maxillary artery run in the infratemporal fossa?

-Mandibular
-Pterygoid

16

Where do you find pterygoid plexus of veins?

Infratemporal fossa

17

What part of the maxillary artery do you fine in the pterygopalatine fossa?

Pterygopalatine part

18

What nerve passes through the pterygopalatine fossa?

Maxillary nerve V2

19

What ganglia do you find in the pterygopalatine fossa?

Pterygopalatine ganglion

20

Where does the Maxillary nerve of the trigeminal nerve enter the pterygopalatine fossa through?

Foramen rotundum

21

What is the first branch off of the maxillary nerve that is found in the pterygopalatine fossa?

Posterior superior alveolar nerve (PSA)

22

What is the second branch off of the maxillary nerve found in the pterygopalatine fossa?

-Zygomatic nerve

23

What does the zygomatic nerve branch into?

-Zygomaticotemporal
-Zygomaticofacial

24

What additional nerve runs with the zygomatic nerve?

-Greater Petrosal nerve (lacrimal gland)

25

What nerves branch towards the palate in the pterygopalatine fossa?

-Greater palatine nerve
-Lesser palatine nerve

26

What is a nerve that branches from the greater and lesser palatine nerves and projects anteriorly?

Nasopalatine nerve

27

What nerve from the maxillary nerve runs most anteriorly?

Infraorbital nerve

28

What two nerves branch off of the infraorbital nerve?

-Anterior superior alveolar nerve
-Middle superior alveolar nerve

29

What two nerves are Vidians nerve?

-Greater petrosal nerve
-Deep petrosal nerve

30

How does Vidians nerve enter the pterygopalatine fossa?

Pterygoid canal

31

What does the greater petrosal nerve branch off of?

Facial nerve CN VII

32

How do you find the pterygoid canal?

Go just below the medial pterygoid and posterior and look for a hole

33

How do you find the palatovaginal canal?

It is usually between the vomer and the medial pterygoid

34

What runs through the palatovaginal canal?

The pharyngeal branch of the maxillary artery and nerve

35

What is another name for the palatovaginal canal?

pharyngeal canal

36

What branch of CN VII leaves from the internal acoustic meatus and goes to the greater petrosal hiatus?

Greater petrosal nerve

37

What does the lesser petrosal nerve do?

Parotid gland

38

Where does the lesser petrosal nerve leave the skull at?

lesser petrosal hiatus

39

T/F
The greater petrosal nerve enters back through the pterygoid canal

True

40

Where does the otic ganglia sit?

Infratemporal fossa

41

What nerve do the major ganglia of the head run with?

CN V

42

What are the four major parasympathetic ganglia found in the head?

-Ciliary ganglia
-Petrygopalatine
-Otic
-Submandibular

43

What is the sympathetic ganglia found in the head?

Superior cervical ganglion

44

T/F
Sympathetics synapse in the parasympathetic ganglia before going to their target

False
-They synapse at the superior cervical ganglia but do pass through the parasympathetic ganglia

45

Is the deep petrosal nerve sympathetic or parasympathetic?

sympathetic

46

What are all the nerves found in the pterygopalatine fossa?

-Maxillary of V
-Nasopalatine
-Zygomatic
-Pharyngeal nerve
-Greater petrosal nerve
-deep petrosal nerve
-Descending palatine nerve
-Posterior/Middle, and anterior superior alveolar nerve
-Infraorbital nerve

47

What are all the arteries found in the pterygopalatine fossa?

-Sphenopalatine
-Pharyngeal
-Artery of the pterygoid canal
-Maxillary artery
-descending palatine
-greater and lesser palatine
-infraorbital
-Anterior and middle superior alveolar artery
-Posterior super alveolar artery

48

Where does the pharyngeal artery pass through?

Palatovaginal canal aka pharyngeal canal

49

Where does the descending palatine artery leave the pterygopalatine fossa from?

-Palatine canal

50

What two things pass through the pharyngeal canal?

-Pharyngeal nerve
-Pharyngeal artery