(E4) 1 - Pterygopalatine Fossa and V2 Distribution Flashcards
Kling (80 cards)
1
Q
Pyramid-shaped (inverted tear drop) fossa on the lateral aspect of the skull
A
Pterygopalatine Fossa
2
Q
Function of the Pterygopalatine Fossa
A
3
Q
Contents of the Pterygopalatine Fossa
A
4
Q
Describe the Anterior Portion of the PPF
A
5
Q
Describe the Posterior Portion of the PPF
A
6
Q
Boundaries of the PPF: Anterior
A
7
Q
Boundaries of the PPF: Posterior
A
8
Q
Boundaries of the PPF: Medial
A
9
Q
Boundaries of the PPF: Lateral
A
10
Q
Boundaries of the PPF: Superior
A
11
Q
Boundaries of the PPF: Inferior
A
12
Q
PPF: All walls have at least one opening except the ______ wall
A
anterior
13
Q
PPF: Name the 7 foramina and fissures that provide apertures through which structures enter and leave.
A
14
Q
PPF Gatweways: Anterior Wall - Opening and Relationship
A
15
Q
PPF Gatweways: Lateral Wall - Opening and Relationship
A
16
Q
PPF Gatweways: Medial Wall - Opening and Relationship
A
17
Q
PPF Gatweways: Superior Wall - Opening and Relationship
A
18
Q
PPF Gatweways: Inferior Wall - Opening and Relationship
A
19
Q
PPF Gatweways: Posterior Wall - Opening and Relationship
A
20
Q
Maxillary sinus is located ____ to PPF
A
directly anterior
21
Q
_______________ allows communication
between PPF and infratemporal fossa
A
Pterygomaxillary fissure
22
Q
Anterosuperior communication with the floor of the orbit is through the _______
A
inferior orbital fissure
23
Q
Posterior communication with the middle cranial fossa is through ____ and _____
A
Foramen Rotundum and Pterygoid Canal
24
Q
Posterior opening of the pterygoid canal is deep to _______ (covered with cartilage)
A
Foramen Lacerum
25
What type of nerve is the Maxillary nerve V2?
Pure sensory - GSA
26
V2 Nerve: Exits middle cranial fossa and enter the PPF via ______
Foramen Rotundum
27
List the 4 direct branches of V2 within the PPF
28
True or False: Additional sensory branches pass through the pterygopalatine ganglion without synapsing.
True
29
Posterior Superior Alveolar Nerve: Exits PPF through the _____ to enter the infratemporal fossa
Pterygomaxillary Fissure
30
Posterior Superior Alveolar Nerve: In the infratemporal fossa, it passes on the _____ along the maxillary tuberosity
Posterior surface of the maxilla
31
What does the Posterior Superior Alveolar Nerve give rise to?
32
What does the Posterior Superior Alveolar Nerve supply and what's the one exception?
33
Zygomatic Nerve: Exits PPF through ______ to enter the orbit
the inferior orbital fissure
34
Zygomatic Nerve: Passes on the lateral wall of the orbit and branches into ...
35
Zygomatic Nerve: A communicating branch from it joins the _____ from the ophthalmic division of the trigeminal to carry _______ to the lacrimal gland.
- Lacrimal nerve (V1)
- Autonomics
36
Infraorbital Nerve: Exits PPF through the ______ to enter the orbit
inferior orbital fissure
37
Infraorbital Nerve: Passes anterior through the _____, _______, and exits onto the face via the _______
- infraorbital groove
- infraorbital canal
- infraorbital foramen
38
Infraorbital Nerve: Within the infraorbital canal, it gives rise to _____ and _______
- Anterior superior alveolar nerve
- Middle superior alveolar nerve
39
Anterior superior alveolar nerve supplies _____
40
Middle superior alveolar nerve supplies _____
When this nerve is not present the Anterior superior alveolar nerve supplies the areas.
41
Where do you line up your needle for an Anterior superior alveolar nerve block?
Infraorbital foramen - 1st maxillary premolar
42
Infraorbital nerve: Exits skull through ______ inferior to the orbital margin and between what 2 muscles?
- infraorbital foramen
- levator labii superioris muscle
- levator anguli oris muscle
43
Branches of the Infraorbital Nerve as it exits the skull (and what they supply)
44
What do the ganglionic branches of V2 connect?
45
Describe the Ganglionic Branches of V2
46
Branches off the Pterygopalatine Ganglion
47
Pterygopalatine ganglion is a collection of _____
postganglionic cell bodies - for parasympathetics
48
The ganglionic branches are of the maxillary division of the trigeminal nerve connect to the _____
pterygopalatine ganglion
49
What is another name for the nerve of the pterygoid canal?
Vidian nerve
50
3 sets of nerve fibers travel through the pterygopalatine ganglion. Name and describe them
All branches arising from the pterygopalatine ganglion carry these 3 sets of fibers to the areas where they terminate.
51
Autonomics to PF: Parasympathetics - Where is it coming from?
Facial Nerve
52
Autonomics to PF: Parasympathetics - Where do the preganglionic cell bodies arise from?
Superior salivatory nucleus
53
Autonomics to PF: Parasympathetics - What is the branch off the facial nerve?
Greater petrosal nerve
54
Autonomics to PF: Parasympathetics - Describe the nerve location
55
Autonomics to PF: Sympathetics - Describe the preganglionics
56
Autonomics to PF: Sympathetics - Describe the postganglionics
57
Autonomics to PF: Sympathetics - Describe the deep petrosal nerve
58
The greater petrosal nerve and the deep petrosal nerve meet up and form what nerve?
Vidian Nerve
59
Where does the greater petrosal nerve branch off of the facial nerve?
Geniculate ganglion
60
Greater petrosal nerve and deep petrosal nerve join to form the nerve of the pterygoid canal (Vidian nerve) at the ________
foramen lacerum
61
Nerve of pterygoid canal traverses through the
cartilage covering foramen lacerum to enter the
_________. Then joins ganglion in ______
- pterygoid canal
-PPF
62
PF: Preganglionic parasympathetics synapse and postganglionic fibers go where?
63
____________ pass through the ganglion (no synapse) and are distributed with branches of the maxillary artery
Postganglionic sympathetics
64
All branches arising from the pterygopalatine ganglion carry these 3 sets of fibers to the areas where they terminate. (list them)
65
Nasopalatine N.: Passes through the _______ to enter the nasal cavity
Sphenopalatine foramen
66
Nasopalatine N.: Passes along the superior portion of the nasal cavity to the nasal
septum; then travels anteroinferiorly to the _____
incisive canal
67
Nasopalatine N.: Exits the incisive foramen on the hard palate and supplies _____
68
Posterior Superior Nasal N.: Passes through the _____ to enter the nasal cavity where it divides into _____ and _______
- sphenopalatine foramen
- lateral posterior superior
- medial posterior superior nasal
69
What does the lateral posterior superior nerve supply?
Lateral wall of the nasal cavity
70
What does the medial posterior superior nerve supply?
Posterosuperior portion of the nasal septum
71
Greater Palatine N.: What does it pass through, and what does it supply?
72
Lesser Palatine N.: What does it pass through, and what does it supply?
73
Describe the Posterior Inferior Nasal Nerves
Supplies the lateral part of the nasal cavity
74
Image: Greater Palatine Nerve Block
- typically medial to 3rd molar
- posteromedial to 2nd molar
75
Pharyngeal (Palatovaginal N.): Passes through the _____ to enter and supply the _____.
- palatovaginal (pharyngeal) canal
- nasopharynx
76
What branches of the Maxillary Artery are a part of the Pterygopalatine fossa?
77
Describe Sinusitis
78
The most common location for sinusitis is the ________
Maxillary sinus
79
Nerve lesions: Describe Central and Peripheral Lesions
80
What is trigeminal neuralgia?
