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Sciences in DA 1114 > Chpt 10- Landmarks of Face and Oral Cavity > Flashcards

Chpt 10- Landmarks of Face and Oral Cavity Flashcards

(79 cards)

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1
Q

Define: Ala

A

winglike tip of the outer side of each nostril

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2
Q

Define- Angle of the mandible

A

lower posterior of the ramus

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3
Q

Define Angular Cheilosis ( 2 causes)

A

inflammation at the corners of the mouth that may be caused by nutritional deficiency of vitamin b or by a fungal condition

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4
Q

define- anterior faucial pillar

A

anterior arch of the soft palate

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5
Q

define anterior naris

A

nostrils

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6
Q

what is the plural version of anterior naris

A

anterior nares

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7
Q

what is the plural version of ala

A

alae

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8
Q

define buccal vestibule

A

area between the cheeks and the teeth or alveolar ridge

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9
Q

define canthus

A

fold of soft tissue at the corner of eye lids

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10
Q

define filiform papillae

A

thread like elevations that cover most of tongue

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11
Q

define fordyce spots

A

normal variations that may appear on the buccal mucosa

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12
Q

define frenum

A

narrow band of tissue that connects two structures

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13
Q

define philtrum

A

rectangular area between the two ridges of the external opening of ear

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14
Q

define tragus

A

cartilangious projection anterior to the opening of the ear

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15
Q

define glabella

A

smooth surface of the frontal bone, right above root of nose

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16
Q

define root of nose

A

commonly called the bridge of the nose where you glasses sit

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17
Q

define septum

A

tissue that divides the nasal cavity into two nasal fossae

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18
Q

define anterior naris

A

the nostril

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19
Q

define mental protuberance

A

the part of the mandible that forms the chin

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20
Q

define angle of the mandible

A

it is the lower posterior of the ramus

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21
Q

define the zygomatic arch

A

area of the face that creates the prominence of the cheek

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22
Q

What are the 9 regions of the face?

A
  1. Forehead
  2. temples
  3. orbital area
  4. external nose
  5. zygomatic area
  6. mouth and lips
  7. cheeks
  8. chin
  9. external ear
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23
Q

what is the skin of the external ear and ala of nosed fixed to?

A

a layer of underlying cartilage

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24
Q

what is our skin connected to?

A

connective tissue

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25
what is another term for lips?
labia
26
what is the outline of the lips called? what does it look like?
the vermilion border, darker pigment than surrounding skin
27
define labial commisure
the angle at the corner of the mouth
28
define nasolabial sulcus
the grove that extends upward between each labial commisure and nasal ala
29
what is the oral cavity lined with?
mucous membrane tissue
30
what are the two areas of the oral cavity?
The vestibule The oral cavity proper
31
Define the vestibule
space between teeth and inner mucosal lining of lips and cheeks
32
define the oral cavity proper
the space on the tounge side within the lower and upper dental arches
33
what is the mucobuccal fold?
where the buccal mucosa and the alveolar mucosa meet
34
what is the mucogingival junction?
distinct line of colour change that can be seen in the tissue where the alveolar membrane meets with the attached gingiva
35
what is the buccal vestibule?
area between the cheeks and the teeth of the alveolar ridge
36
what is the parotid papilla?
small elevation located on the inner surface of the cheek on the buccal mucosa opposite of the second maxillary molar.
37
what does the parotid papilla do?
it protects the opening of the parotid papilla and salivary gland
38
what are fordyce spots?
small yellowish elevations that may appear on the buccal mucosa
39
what is linea alba
white ridge of raised tissue extends horizontally where mandibular and maxillary teeth meet
40
what is the labial frenum?
passes from the oral mucosa at the midline of the maxillary arch to the midline of the inner surface of lip
41
what is the buccal frenum?
passes from the oral mucosa of the outer surface of the maxillary arch to the inner surface of the cheek
42
what is the lingual frenum
passes from the floor of the mouth to the midline of the ventral border of the tounge
43
what is gingiva commonly called?
the gums
44
what type of tissue is gingiva
mastricatory mucosa
45
what do the following characteristics describe - gingiva that surrounds the tooth like a collar and is self-cleansing - gingiva that is firm and resistant and can be tightly adapted to the tooth and bone -surfaces that the gingiva is attache to are stippled and resemble the ring of an orange - the colour of the gingiva surface varies depending on the individuals pigment
normal gingival tissue
46
what is unattached gingiva?
is the border of gingiva that surrounds the teeth in a collar like fashion
47
what is another term for unattached gingiva?
marginal gingiva or free gingiva
48
what is interdental gingiva?
the extension of the free gingiva that fills the inter proximal embrasure between two adjacent teeth
49
what is the gingival groove
shallow groove that runs parallel to the margin of the unattached gingiva and marks the beginning of the attached gingiva
50
what is another term for interdental gingiva?
interdental papilla
51
what is the hard palate? what type of tissue is it? why is it there?
the roof of your mouth, it separates the nasal cavity from the oral cavity oral mucosa which is tightly bound to underlying bone
52
what is the incisive papilla? where is it located?
behind the maxillary incisors is the incisive papilla that cover the incisive foramen
53
what are palatal rugae
irregular ridges or folds of the masticatory mucosa
54
what are midline palatal raphe?
runs posteriorly from the incisive papilla
55
what is the soft palate?
movable posterior third of the palate, it has no boney structure and hangs into the pharynx behind
56
what is the uvula
hanging pear shaped projection of tissue
57
how is the soft palate supported?
by two arches, the fauces
58
what is the anterior faucial pillar?
structure that runs from the soft palate down to the lateral aspects of the tongue
59
what is the posterior faucial pillar?
the free posterior border of the soft palate
60
what is the isthmus of fauces
the opening between the two arches that contain the tonsils
61
what kind of tissue is found on the tongue?
mucous membrane
62
what are papillae?
pinkish white bumps on the tongue that are used as sensory organs for both taste and touch
63
what are the 2 parts of the tongue?
the anterior 2/3 is called the body the posterior part is called the root this turns down vertically towards the pharynx
64
what is the dorsum
top side of the tongue. comprises of the superior (upper) and posterior roughened aspects of the tongue , it is covered in papillae of various shapes
65
what is the sublingual surface of the tongue?
covered with thin, smooth and transparent mucosa where many underlying vessels can be seen.
66
explain the submandibular ducts
there are two small papillae on ether side of the lingual frenulum just behind the central incisor through those papillae into the mouth are the opening of the submandibular ducts, saliva enters the oral cavity through these ducts
67
where are fimbriated folds found?
on ether side of the lingual surface
68
what is a lingual frenectomy?
a procedure where the lingual frenulum is cut due to it being too short. a short lingual frenulum causes someone to be "tongue tied" it heavily impacts their speech
69
what do taste buds do?
allow us to taste food and detect tempurature of food
70
is saliva needed to stimulate the taste buds to detect flavours?
yes saliva is needed
71
where are the tastebuds located?
fungiform papilae
72
what is the vallate papillae
its a v shaped portion on the posterior portion of the tongue where
73
what sense does the filiform papillae have
sense of touch
74
which papillae contain no taste receptors?
the filiform papilae
75
what are the 4 primary taste combinations
1. sweet 2. salty 3.sour 4.bitter
76
which flavour acts as a protective mechanisms
bitter, most deadly toxins taste bitter so the body spits them out
77
what are the sockets called that the teeth sit in?
alveoli
78
what is the portion of the tooth called that is visible?
the crown
79
where are filiform, vallate and fungiform papillae found?
on the dorsum of the tongue

Sciences in DA 1114 (3 decks)

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