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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

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
Q

what is another term for lips?

A

labia

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26
Q

what is the outline of the lips called? what does it look like?

A

the vermilion border, darker pigment than surrounding skin

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27
Q

define labial commisure

A

the angle at the corner of the mouth

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28
Q

define nasolabial sulcus

A

the grove that extends upward between each labial commisure and nasal ala

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29
Q

what is the oral cavity lined with?

A

mucous membrane tissue

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30
Q

what are the two areas of the oral cavity?

A

The vestibule
The oral cavity proper

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31
Q

Define the vestibule

A

space between teeth and inner mucosal lining of lips and cheeks

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32
Q

define the oral cavity proper

A

the space on the tounge side within the lower and upper dental arches

33
Q

what is the mucobuccal fold?

A

where the buccal mucosa and the alveolar mucosa meet

34
Q

what is the mucogingival junction?

A

distinct line of colour change that can be seen in the tissue where the alveolar membrane meets with the attached gingiva

35
Q

what is the buccal vestibule?

A

area between the cheeks and the teeth of the alveolar ridge

36
Q

what is the parotid papilla?

A

small elevation located on the inner surface of the cheek on the buccal mucosa opposite of the second maxillary molar.

37
Q

what does the parotid papilla do?

A

it protects the opening of the parotid papilla and salivary gland

38
Q

what are fordyce spots?

A

small yellowish elevations that may appear on the buccal mucosa

39
Q

what is linea alba

A

white ridge of raised tissue extends horizontally where mandibular and maxillary teeth meet

40
Q

what is the labial frenum?

A

passes from the oral mucosa at the midline of the maxillary arch to the midline of the inner surface of lip

41
Q

what is the buccal frenum?

A

passes from the oral mucosa of the outer surface of the maxillary arch to the inner surface of the cheek

42
Q

what is the lingual frenum

A

passes from the floor of the mouth to the midline of the ventral border of the tounge

43
Q

what is gingiva commonly called?

A

the gums

44
Q

what type of tissue is gingiva

A

mastricatory mucosa

45
Q

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

A

normal gingival tissue

46
Q

what is unattached gingiva?

A

is the border of gingiva that surrounds the teeth in a collar like fashion

47
Q

what is another term for unattached gingiva?

A

marginal gingiva or free gingiva

48
Q

what is interdental gingiva?

A

the extension of the free gingiva that fills the inter proximal embrasure between two adjacent teeth

49
Q

what is the gingival groove

A

shallow groove that runs parallel to the margin of the unattached gingiva and marks the beginning of the attached gingiva

50
Q

what is another term for interdental gingiva?

A

interdental papilla

51
Q

what is the hard palate? what type of tissue is it? why is it there?

A

the roof of your mouth, it separates the nasal cavity from the oral cavity
oral mucosa which is tightly bound to underlying bone

52
Q

what is the incisive papilla? where is it located?

A

behind the maxillary incisors is the incisive papilla that cover the incisive foramen

53
Q

what are palatal rugae

A

irregular ridges or folds of the masticatory mucosa

54
Q

what are midline palatal raphe?

A

runs posteriorly from the incisive papilla

55
Q

what is the soft palate?

A

movable posterior third of the palate, it has no boney structure and hangs into the pharynx behind

56
Q

what is the uvula

A

hanging pear shaped projection of tissue

57
Q

how is the soft palate supported?

A

by two arches, the fauces

58
Q

what is the anterior faucial pillar?

A

structure that runs from the soft palate down to the lateral aspects of the tongue

59
Q

what is the posterior faucial pillar?

A

the free posterior border of the soft palate

60
Q

what is the isthmus of fauces

A

the opening between the two arches that contain the tonsils

61
Q

what kind of tissue is found on the tongue?

A

mucous membrane

62
Q

what are papillae?

A

pinkish white bumps on the tongue that are used as sensory organs for both taste and touch

63
Q

what are the 2 parts of the tongue?

A

the anterior 2/3 is called the body
the posterior part is called the root this turns down vertically towards the pharynx

64
Q

what is the dorsum

A

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
Q

what is the sublingual surface of the tongue?

A

covered with thin, smooth and transparent mucosa where many underlying vessels can be seen.

66
Q

explain the submandibular ducts

A

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
Q

where are fimbriated folds found?

A

on ether side of the lingual surface

68
Q

what is a lingual frenectomy?

A

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
Q

what do taste buds do?

A

allow us to taste food and detect tempurature of food

70
Q

is saliva needed to stimulate the taste buds to detect flavours?

A

yes saliva is needed

71
Q

where are the tastebuds located?

A

fungiform papilae

72
Q

what is the vallate papillae

A

its a v shaped portion on the posterior portion of the tongue where

73
Q

what sense does the filiform papillae have

A

sense of touch

74
Q

which papillae contain no taste receptors?

A

the filiform papilae

75
Q

what are the 4 primary taste combinations

A
  1. sweet
  2. salty
    3.sour
    4.bitter
76
Q

which flavour acts as a protective mechanisms

A

bitter, most deadly toxins taste bitter so the body spits them out

77
Q

what are the sockets called that the teeth sit in?

A

alveoli

78
Q

what is the portion of the tooth called that is visible?

A

the crown

79
Q

where are filiform, vallate and fungiform papillae found?

A

on the dorsum of the tongue

Sciences in DA 1114 (3 decks)

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