Pterygopalatine Fossa and Nasal Cavity Flashcards
(111 cards)
1
Q
blue arrow
A
middle meatus
2
Q
blue arrow
A
sphenopalatine artery along with nasopalatine nerve
3
Q
red arrow
A
palatine
4
Q
orange arrow
A
pterygoid process
5
Q
light blue arrow
A
pterygoid canal
6
Q
green dot
A
maxilla
7
Q
after sympathetic nerves pass through the pterygopalatine ganglion, they hitchhike on _____ to innervate ______
A
branches of V2 maxillary nerve
muscosal linings
8
Q
green arrow structure and nerves
A
palatine canal
greater and lesser palatine nerves
9
Q
the nasopalatine nerve passes through the ________ to get from the nasal cavity to the hard palate
A
incisive canal
10
Q
What is the significance of Kisselbach’s area?
A
region of the medial wall of the nasal cavity with highly vascularized anastomosis and the site of profuse nasal bleeding
11
Q
blue arrows
communicate to the nasal canvity via
A
ethmoid sinuses
numerous miniscule holes
12
Q
blue arrow
A
alar cartilage
13
Q
blue arrow
A
lacrimal
14
Q
green arrow
A
pterygopalatine fossa
15
Q
green arrow
A
maxillary nerve
16
Q
purple arrow
A
sphenoethmoidal recess
17
Q
green arrow
A
frontal sinus
18
Q
the red arrow represents which nerve
A
internal carotid plexus
19
Q
purple dot
A
pterygoid process of the sphenoid
20
Q
green arrow
A
nasopalatine nerve (medial wall)
21
Q
red arrow
A
posterior and lateral nasal arteries along with nasal nerves
22
Q
where are olfactory nerves located within the nasal cavity
A
superior portion of the nasal cavity inferior to the cirbiform plate
23
Q
green arrow
A
ethmoidal branches of the ophthalmic nerve
24
Q
blue triangle
what is on the other side?
A
pterygomaxillary fissure
infratemporal fossa (muscles of mastication, buccinator, etc)
25
What nerve travels through the foramen rotundum into the pterygoid process
V2 maxillary nerve
| (pink arrow)
26
which nerves travel through the sphenopalatine foramen
posterior lateral nasal nerves, nasopalatine nerve
27
what forms the midline nasal septum
perpendicular plate of the ethmoid bone
28
green arrow
nasal vestibule
29
the nasal arteries are on the ________ wall of the nasal cavity
lateral
30
red arrow
maxillary sinus
31
green arrow (structure and nerve)
foramen rotundum
V2 maxillary nerver
32
periwinkle circle
What is on the other side?
What travels through?
pterygoid canal
middle cranial fossa
autonomic fibers to pterygopalatine ganglion
33
the choana is the passage between the nasal cavity and
nasal pharynx
34
red arrow
opening of the maxillary sinus- communcation between maxillary sinus and nasal cavity
35
pink arrow
sphenoethomoid recess
36
orange arrow
posterior lateral nasal arteries
37
blue arrow (structure and nerve)
pterygoid canal
nerve of the pterygoid canal:
greater petrosal branch of CN VII (preganglionic parasympathetic) and deep petrosal branch of internal carotid plexus (post ganglionic sympatheitic)
38
green arrow
nasal bone
39
pink arrow
opening of the maxillary sinus (in the hiatus semilunaris)
40
pink arrow
fibroareolar tissue
41
blue arrow
external nasal branches of the ophthalmic nerve
42
blue arrow
ethmoid air cells
43
the nasopalatine nerve exits the pyergopalatine fossa through
the sphenopalatine foramen
44
blue arrow
vomer
45
blue arrow
orbital surface of the greater wing of the sphenoid bone
46
the deep petrosal nerve carries what type of fibers
post-synaptic sympathetics from internal carotid plexus (all sympathetics of the head and neck synpase in the superior cervical ganglion after ascending the chain)
47
green arrow
perpindicular plate of the ethmoid
48
red arrow
superior orbital fissure
49
red arrow
lateral cartilage
50
communication between the pterygopalatine fossa and the infratemporal fossa
pterygomaxillary fissure
51
the zygomatic nerve branches into
zygomaticotemporal
zygomaticofacial
52
light blue arrow represents
pterygopalatine ganglion
53
red arrow
septal cartilage
54
red dot
inferior nasal concha
55
three parts of the special sensorty olfactory nerve
olfactory filaments (through cribiform plate)
olfactory bulb
olfactory tract
56
blue arrow
greater and lesser palatine nerves
57
red arrow
perpendicular plate of the palatine bone
58
blue arrow
posterior lateral nasal nerves- branch of maxillary
59
which concha is not a part of the ethmoid bone
inferior nasal concha
60
green arrow
septal cartilage
61
posterior lateral nasal nerves exit the pterygopalatine fossa through the
sphenopalatine foramen
62
green area
ethmoid bone
63
the sphenopalatine artery is on the ______ wall of the nasal cavity
medial
64
green arrow
hiatus semilunaris
65
red arrow
communicates with the nasal cavity via
sphenoid sinus
sphenoethmoidal recess
66
which artery of the nasal cavity anastamosis with the greater palatine arteries
sphenopalatine artery
67
In the nasal cavity, which arteries are branches of the internal carotid system
ethmoidal branches of the ophthalmic artery
68
area surrounded by blue line
choana
69
blue arrow
zygomatic nerve
70
red dot
inferior nasal concha
71
green arrow
communicates with nasal cavity via
frontal sinus
frontonasal duct of the hiatus semilunaris
72
purple circle
what is on the other side?
what travels through?
palatine canal
mouth
descending palatine artery
greater and lesser palatine nerves
73
the greater and lesser palatine nerves are branches of
V2 Maxillary
74
green arrow
superior meatus
75
red arrow
sphenopalatine artery
76
red arrow
nasopalatine nerve
77
green arrow
communication between ______ and \_\_\_\_\_\_\_\_
sphenopalatine foramen
pterygopalatine fossa and the nasal cavity
78
red arrow
infraorbital nerve
79
green circle
What is on the other side?
What travels through?
foramen rotundum
brain, middle cranial fossa
V2 maxillary nerve
80
the zygomatic nerve exits the pterygopalatine fossa through the
inferior orbital fissure
| (blue)
81
somatic sensory nerves of the nasal cavity follow the path of which artery branch
ophthalmic nerve follows internal carotid
maxillary nerve follows external carotid
82
the greather and less palatine nerves exit the pterygopalatine fossa through the
palatine canal
83
green arrow
horizontal plate of the palatine bone
84
what two nerves converge to form the nerve of the pterygoid canal
deep petrosal (symp) and greater petrosal (para)
85
pink arrow
foramen rotundum
86
Nerves in the nasal cavity carrying somatic sensory
CN V1 (ophthalmic) , CN V2 (maxillary)
87
what does the nasopalatine nerve innervate?
nasal septum, passes through incisive canal to innervate the anterior region of the palate
88
the orange arrow represents what nerve
nerve to pterygoid canal (combination of deep and greater petrosal)
89
blue area
Kisselbach's area
90
green dot
superior concha
91
the pink arrow represents which nerve
deep petrosal nerve
92
blue dot
middle concha
93
blue dot
ethmoid
94
green arrow
descending palatine artery along with greater and lesser palatine nerves
95
orange arrow
opening of the sphenoid sinus- communication between sphenoid sinus and nasal cavity
96
blue arrow
frontonasal duct - communication between frontal sinus and nasal cavity
97
green arrow
ethmoidal branches of the ophthalmic artery
98
orange circle(ish)
what is on the other side?
what goes through here?
inferior orbital fissure
orbit
infraorbital nerve, zygomatic nerve (branches of maxillary), and infraorbial vessels
99
the _____ artery dives through the pterygomaxilary fissure into the _______ and then \_\_\_\_\_\_\_
maxillary
pterygopalatine fossa
distributes
100
pink arrow
pterygopalatine nerves
101
the infraorbital nerve exits the pterygopalatine fossa through the
inferior orbital fissure (red)
102
green dot
nasal cavity
103
the blue arrow represents which nerve
greater petrosal nerve
104
purple shaded area
palatine bone
105
green arrow represent which nerve traveling through what space
facial nerve traveling through the internal aucostic meatus
106
In the nasal cavity, which arteries are branches of the external carotid system
nasal branches of facial artery, sphenopalatine artery (branch of maxilla), posterior lateral nasal arteries (branch of descending palatine artery)
107
red arrow
inferior meatus
108
the greater petrosal nerve is carrying what kind of fibers
presynaptic parasympathetic fibers from the facial nerve CN VII to synpase in the ptyergopalatine ganglion
109
red circle
what is on the other side?
what travels through?
sphenopalatine foramen
nasal cavity
sphenopalatine artery, nasopalatine nerve
110
pink arrow
infraorbital artery
infraorbital nerve
111
pink arrow
greater palatine arteries (where it anastamosis with the sphenopalatine artery)
