oral cavity Flashcards
1
Q
roof of the oral cavity
A
palate
2
Q
floor of the oral cavity
A
tongue
3
Q
lateral walls of the oral cavity
A
cheeks
4
Q
anterior walls of the oral cavity
A
lips
5
Q
oral cavity communicates anteriorly to the ___ through the openings of the mouth
A
outside
6
Q
oral cavity communicates posterioly to the ____ through the oropharyngeal isthmus
A
oropharynx
7
Q
the space between the lips and the teeth and the teeth and the cheeks is the ____
A
vestibule
8
Q
_____ of ___ lip: a median fold of mucous membrane connecting the internal surface of upper lip to outer surface of upper gingiva
A
frenulum of the upper lip
9
Q
frenulum of the upper lip is also called the ___ ___
A
labial frenulum
10
Q
____ of ____ lip: a median fold of mucous membrane connecting the internal surface of lower lip to outer surface of lower gingiva
A
frenulum of lower lip
11
Q
_____ _____ of tongue: a median fold of mucous membrane connecting the infrerior surface of tongue to the floor of the mouth
A
frenulum lingulae
12
Q
___ ___: a fold of mucous membrane over the sublingual salivary gland
A
sublingual fold
13
Q
___ ____ (____): a papillae on each side of the frenulum of the tongue for the submandibular duct
A
sublingual papilla (caruncle)
14
Q
duct of the ____ gland: opposite upper second molar tooth
A
parotid
15
Q
sensory supply to lips and cheeks are derived from the ___ and ___ divisions of the ____ nerve
A
maxillary
mandibular
16
Q
sensory supply to the cheeks comes through 3 nerves
A
infraorbital (V2)
zygomaticofacial (V2)
buccal (V3)
17
Q
sensory supply to the upper lip comes from 1 nerve
A
infraorbital (V2)
18
Q
sensory supply to the lower lip comes from what nerve?
A
mental (V3)
19
Q
5 parts to the teeth
A
crown neck root root canal apical foramen
20
Q
gums are also called the ____
A
gingiva
21
Q
___ is the visible portion of the tooth
A
crown
22
Q
___ is the part of the tooth at the level of the gums
A
neck
23
Q
___ is the embedded part of the tooth
A
root
24
Q
_____ ____ is the part of the tooth inside the root that carry the nerves and blood vessels
A
root canal
25
nerve and blood vessels have to pass through the ___ ____ to enter the root canal
apical formane
26
_____: inflammation of the oral cavity
stomotitis
27
_____ teeth are for cutting
incisors
28
_____ teeth are for shredding muscle tissue
canines
29
___ and ____ are for chewing and grinding
premolar
| molars
30
how many incisor teeth do we have?
4/4
31
permanent teeth
| how any canine teeth do we have?
2/2
32
permanent teeth
| how many premolars do we have?
4/4
33
permanent teeth
| how many molars do we have?
6/6
34
how many permanent teeth do we have?
32
35
how many deciduous teeth do we have?
20
36
deciduous teeth
| how many incisors do we have?
4/4
37
deciduous teeth
| how many canines do we have?
2/2
38
deciduous teeth
| how many molars do we have?
4/4
39
superior and inferior alveolar arteries are branches of the ___ artery
maxillary
40
lymphatic vessels of the teeth mainly drain to the ___ lymph nodes
submandibular
41
superior alveolar nerves are from the ___ division of the trigeminal
maxillary (V2)
42
inferior alveolar nerves are from the ____ division of the trigeminal
mandibular (V3)
43
the ant 2/3 of the palate is formed by the ____ processes of the maxillary bone and the ___ plates of the palatine bone which makes up the ___ palate
palatine
horizontal
hard
44
___ palate is the movable post 1/3 of the palate
soft
45
___ ___ - depression post to the central incisors into which the incisive canals open
incisive fossa
46
____ nerves pass through the incisive fossa
nasopalatine
47
____ ___ foramen: located medial to the 3rd molar tooth
greater palatine foramen
48
the greater palatine nerves and vessels emerge from this foramen
greater palatine foramen
49
___ ___ foramina located post to the greater palatine foramen
lesser palatine foramina
50
___ ___ foramina transmit the lesser palatine nerves and vessels to the soft palate and adjacent structures
lesser palatine
51
the soft palate has no bony skeleton but has an anterior ___ part and has a post ___ part
aponeurotic
| muscular
52
soft palate has a curved free margin from which the ____ hangs
uvula
53
laterally, the soft palate is continuous with the wall of the ____ and is joined to the tongue and pharynx by 2 arches
pharynx
54
the arch that connects the soft palate to the tongue is the ____ arch
palatoglossal
55
the arch that connects the soft palate to the pharynx is the ____ arch
palatopharyngeal
56
____: the space between the oral cavity and the pharynx
fauces
57
superior boundary of the fauces
soft palate
58
inferior boundary of the fauces
root of the tongue
59
lateral boundary of the fauces
faucial pillars (arches)
60
___ of the fauces: short constricted space between the oral cavity and the oropharynx
isthmus
61
anterior boundary of the isthmus of the fauces
palatoglossal folds
62
post boundary of the isthmus of the fauces
palatopharygneal fold
63
____ ___ are located between the palatoglossal and palatopharyngeal folds
palatine tonsils
64
3 muscles of the soft palate
tensor veli palatini
musculus uvulae
levator veli palatini
65
origin of the tensor veli palatini
scaphoid fossa of medial pterygoid plate, spine of sphenoid bone and pharyngotympani tube cartilage
66
insertion of the tensor veli palatini
palatine aponeurosis
67
nerve supply to the tensor veli palatini
medial pterygoid nerve of V3 from the otic ganglia
68
action of the tensor veli palatini
tenses soft palate and opens auditory tube during swallowing and yawning
69
origine of the levator veli palatini
pharyngotympanic tube cartilage and petrous portion of temporal bone
70
insertion of the levator veli palatini
palatine aponeurosis
71
nerve supply of the levator veli palatini
pharyngeal branch of vagus nerve via pharyngeal plexus
72
action of he levator veli palatini
elevates soft palate during swallowing and yawning
73
origin of the palatoglossus
palatine aponeurosis
74
insertion of the palatoglossus
side of tongue
75
nerve supply of the palatoglossus
pharyngeal branch of vagus nerve via pharyngeal plexus
76
action of the palatoglossus
elevates posterior tonuge and draws soft palate onto tongue
77
origin of the palatopharyngeus
hard palate and palatine aponeurosis
78
insertion of the palatopharyngeus
lateral wall of pharynx
79
nerve supply of palatopharyngeus
pharyngeal branch of vagus nerve via pharyngeal plexus
80
acion of the palatopharyngeus
tenses soft palate and pulls walls of pharynx superiorly, anteriorly, and medially during swallowing
81
nerve supply of the musulus uvulae
pharyngeal branch of vagus nerve via pharyngeal plexus
82
origin of the musculus uvulae
posterior nasal spine andpalatine aponeurosis
83
insertion of the musculus uvulae
mucosa of uvulae
84
action of the musculus uvulae
shortens uvula and pulls it superiorly
85
motor nerve of the pharyngeal plexus
vagus
86
sensory nerve of the pharyngeal plexus
glossopharyngeal
87
greater palatine artery is a branch of the ___ ___ artery
descending palatine
88
lesser palatine artery is a smaller branch of ___ ___ and anastomoses with the ___ ___ branch of the facial artery
descending palatine
| ascending palatine
89
palatine veins drain into the ___ ___ ___
pterygoid venous plexus
90
___ ___ nerves supplies glands of most of the hard palate
greater palatine nerve
91
___ ___ nerve supplies the soft palate
lesser palatine
92
_____ nerve supplies the mucous membrane of the ant part of the hard palate
nasopalatine
93
all muscles of the palate are supplies by the ___ ___, except for the ___ ___ ___
pharyngeal plexus
| tensor veli palatini
94
____: mobile muscular organ that can assume a variety of shapes and positions
tongue
95
tongue is partly in the ___ ___ and partly in the ___
oral cavity
| oropharynx
96
5 functions of the tongue
```
swallowing
articulation
mastication
taste
oral cleansing
```
97
shape of the genioglossus
fan shaped
| main bulk of the tongue
98
origin of the genioglossus
mental spine of mandible
99
insertion of the genioglossus
dorsum of tongue and bod of hyoid bone
100
action of the genioglossus
protrudes the tongue and depression of tonguw
101
action of the hyoglossus
depress sides of tongue
102
origin of the hyoglossus
body and greater horn of hyoid bone
103
insertion of the hyoglossus
inferior aspect of lateral part of tongue
104
shape of the hyoglossus
thin, quadrangular
105
shape of the styloglossus
small, short, triangular
106
origin of the styloglossus
styloid process, stylohyoid ligament
107
insertion of the styloglossus
sides of tongue posteriorly
108
action of styloglossus
raises and post retracts tongue during swallowing
109
action of the palatoglossus
elevate post sides of the tongue during swallowing and retraction
110
shape of the palatoglossus
narrrow, crescent shaped
111
origin of the palatoglossus
palatine aponeurosis of soft palate
112
insertion of the palatoglossus
enters posterolateral tongue transversely blending with intrinsic muscles
113
all muscles ending is -glossus are innervated by the ____ nerve, except the ____
hypoglossal
| palatoglossus
114
palatoglossus nerve innervated by the ____
vagus
115
____ muscle sticks the tongue out
hypoglossus
116
4 extrinsic muscles of the tongue
genioglossus
hyoglossus
styloglossus
palatoglossus
117
4 intrinsic muscles of the tongue
superior longitudinal
inferior longitudinal
transverse
vertical
118
shape of the superior longitudinal muscle of the tongue
thin layer deep to mucous membrane of dorsum
119
action of the superior longitudinal muscle of the tongue
curls tongue longitudinally upward, elevating apex and sides of tongue; shortens tongue
120
shape of the inferior longitudinal muscle of the tongue
narrow band close to inferior surface
121
action of the inferior longitudinal muscle of the tongue
curls tongue longitudinally downward, depressing apex; shortens tongue
122
shape of the transverse muscle of the tongue
deep to superior longitudinal muscle
123
action of the transverse muscle of the tongue
narrows and elongates tongue; protrudes tongue
124
shape of the vertical muscle of the tongue
fibers intersect transverse muscle
125
action of the vertical muscle of the tongue
flattens and broadens tongue
126
glossopharyngeal nerve carries what 2 fibers
GSA
| SSA
127
lingual nerve carries what fiber
GSA
128
chorda tympani carries wat fiber?
SVA
129
the fence muscle of the tongue?
hypoglossus
130
why is the hyoglossus muscle called the fence muscle
it separates the lingual artery and vein
131
lingual artery is ___ to the hyoglossus
internal
132
lingual nerve is ____ to the hyoglossus
external
133
carcinoma of the tongue is very dangerous bc...
malignant tumors can travel through vessels causing metastication in neck region
134
superior deep cervical lymph nodes are deep to the ___ muscle
SCM
135
if there is an infection or inflammation the lymph nodes become ___ and ___
tender
| enlarged
136
3 primary salivary glands
parotid
submandibular
sublingual
137
parotid gland is innervated by the ___ nerve that comes from the ___ gg
auriculotemporal
| otic
138
submandibular and sublingual glands are innervated by nerves from the ____ gg
submandibular
139
salivary glands secrete mucous to bind the __
bolus
