CHAPTER 10 - Landmarks of the face and oral cavity Flashcards

1
Q

Ala of the nose

A

winglike tip on the outer side of each nostril

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2
Q

philtrum

A

rectangular area between the two ridges running from under the nose to the midline of the lip

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3
Q

tragus

A

cartilaginous projection on the external opening of ear

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4
Q

root

A

bridge of the nose

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5
Q

anterior naris

A

nostril

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6
Q

mental protuberance

A

chin

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7
Q

angle of the mandible

A

lower posterior of the ramus

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8
Q

zygomatic arch

A

prominence of the cheek

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9
Q

lips are medically called what

A

labia

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10
Q

vermillion border

A

darker border of color around the lips

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11
Q

labial comissure

A

corner of the mouth where upper and lower lips join

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12
Q

nasolabial sulcus

A

(smile lines) groove that extends upward between labial of commissure and nasal ala

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13
Q

changes in the vermillion border may be caused by what?

A

cancer

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14
Q

angular cheilosis

A

inflammation or cracking at the corners of mouth

caused by vitamin b12 deficiency

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15
Q

the oral cavity is lined by what?

A

mucus membrane tissue

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16
Q

How many areas does the oral cavity have?

A

two

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17
Q

what are the two areas of the oral cavity?

A

vestibule

oral cavity proper

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18
Q

where is the vestibule?

A

space between teeth and inner mucosal lining of lips and cheeks (space between lips and cheeks)

19
Q

where is the oral cavity proper?

A

space on the tongue side within the upper and lower dental arches (space in the middle between tongue and soft palate)

20
Q

mucobuccal fold

A

The base of each vestibule, where the buccal mucosa meets the alveolar mucosa

(where the bone and the cheek come together.)

21
Q

linea alba

A

white ridge of raised tissue that extends horizontally where the maxillary and mandibular teeth come together

22
Q

frenum

A

narrow band of tissue that connects two structures

23
Q

the lip and gingiva is connected by what?

A

labial frenulum

24
Q

buccal frenulum

A

connects the cheeks

25
labial frenulum
connects the lips
26
lingual frenulum
connects the tongue to the floor of the mouth
27
surfaces of the attached gingiva and interdental papillae are presented in what texture?
stippled and resemble the rind of an orange.
28
free gingiva
the gums closest to the teeth (tissues from the top of the gingival margin to the base of the gingival sulcus)
29
attached gingiva
the gums above the free gingiva that is attached in and firm in place
30
what is the gingiva between the teeth called?
interdental gingiva
31
what color gingiva is NOT healthy?
purple
32
what is sulcus?
space/pocket between the tooth and the free gingiva | 3 mm in space is healthy
33
what is interdental gingiva?
gingiva between the teeth that fills the interproximal embrasure the triangle space covered by gingiva
34
what are oral surfaces covered by?
oral mucosa
35
where is the incisive papilla?
behind the maxillary central incisors. | a pear shaped pad of tissue that covers the incisive foramen
36
what is palatal rugae?
irregular ridges or folds of the masticatory maxillary mucosa
37
what is the soft palate?
moveable posterior third of the palate
38
what is fauces?
holds the soft palate together
39
strongest muscle in the body and the most versatile organ
tongue
40
functions of the tongue
positions the food while eating speaking tasting and tactile sensations cleansing the oral cavity
41
where is the gag reflex?
membranes of soft palate, fauces and posterior portion of the tongue
42
where are tastebuds located?
located in the fungiform papillae and inside the large vallate papillae
43
where is the vallate papillae
posterior dorsum of the tongue where it forms a v shape row.