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ABS&C > ORAL CAVITY > Flashcards

ORAL CAVITY Flashcards

1
Q

What is the rostral boundary of the oral cavity?

A

lips

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2
Q

What is the caudal boundary of the oral cavity?

A

pharynx & palatoglossal arches

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3
Q

What is the lateral boundary of the oral cavity?

A

vestibule

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4
Q

What nerve supplies the muscles of facial expression?

A

facial nerve

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5
Q

Where do the palatoglossal arches run?

A

caudal border of oral cavity (glossus, tongue, palatte)

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6
Q

What is the vertical slit in the upper lip called? (visible in dogs n cats)

A

philtrum

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7
Q

What is the furless skin surface surrounding the external openings of the nostrils?

A

rhinarium

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8
Q

What are the set of ridges on the inside of the upper jaw called?
What is their function?

A

Rugae
move food caudally

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9
Q

What structure connectsfluids from the oral and nasal cavities?

A

incisive papilla/ducts

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10
Q

The phlemen response utilizes what structure inside the mouth?

A

incisive papilla/ducts

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11
Q

What is 1? 2?

A

1: buccal papillae
2: rugae

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12
Q

What do ruminants have instead of upper incisors?

A

dental pad

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13
Q

Which is more rostral: hard palate or soft palate?

A

hard palate

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14
Q

What cells are present in the dorsal layer of the soft palate?

A

respiratory epithelium

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15
Q

What cells are present in the ventral layer of the soft palate?

A

stratified squamous epithelium

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16
Q

What are the two dominant/large papillae in horses called?

A

valate papillae

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17
Q

What is the large bump on a bovine tongue called?

A

Torus

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18
Q

What is the horizontal slit in ruminant tongues called?

A

lingual fossa

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19
Q

What is a dominant distinguishing feature of canine tongues?

A

Median groove

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20
Q

What structure are the red arrows pointing to?

A

sublingual caruncle

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21
Q

What are the two openings of the sublingual salivary gland?

A

sublingual caruncle & frenulum

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22
Q

What si the opening of the mandibular salivary gland?

A

sublingual caruncle

23
Q

What is the opening of the parotid salivary gland?

A

vestibule
(upper, near 4th premolar)

24
Q

Name the 3 salivary glands

A

1: zygomatic
2: parotid
2: mandibular & sublingual

25
Q

In which animals does salivation continue under general anesthesia?

A

ruminants!

26
Q

What nerve supplies the tongue?

A

Hypoglossal nerve

27
Q

What are polyphydontous teeth?

A

teeth that are continuously shed (eg sharks)

28
Q

What are diphyodont teeth?

A

Teeth that contain two sets: deciduous & permanent
(you should not see both sets at the same time)

29
Q

What are monophydont teeth?

A

Teeth that one have one set
(NO deciduous/permanent)

30
Q

What are heterodont teeth?

A

Teeth that are of different shapes

31
Q

What are homodont teeth?

A

Teeth that are all of the same shape

32
Q

What is the periodontium?

A

Hard & soft tissue surrounding teeth

33
Q

What part of the tooth contains blood vessels, nerves, and lymphatics?

A

Pulp

34
Q

What structure holds the tooth into the gum and allows for a slight degree of movement?

A

Periodontal ligament

35
Q

What is 1? 2? 3? 4?

A

1: enamel
2: dentine
3: cementum
4: periodontal ligament

36
Q

What structure is 70% of the tooth comprised of?

A

dentine

37
Q

What are the 3 types of dentine?

A

Primary, secondary, tertiary

38
Q

Which of the 3 types of dentine appears brown?

A

tertiary

39
Q

Can enamel regenerate?

A

no

40
Q

Is dog&cat enamel thicker or thinner than humans?

A

thinner

41
Q

What is the term for loss of enamel?

A

Caries

42
Q

What is the structure where teeth’s blood vessels & nerves join the body?

A

apical delta

43
Q

What is the structure at the end of the peridontal ligament that is embedded into the alveolar bone?

A

Sharpey’s fibers

44
Q

What is the area between roots in multi-rooted teeth?

A

furcation point

45
Q

What is the term that relates to probing depth & degree of gum attachment for teeth?

A

gingival sulcus

46
Q

What is the difference between brachyodont and hypsodont teeth?

A

Hypsodont have longer crown above gums, allowing for more wear and tear

[appears as a bigger tooth]

47
Q

What is the ovine dental formula?

A

3/3
1/1
4/4
3/3

48
Q

What is the canine dental formula?

A

3/3
1/1
4/4
2/3

49
Q

What are the 4 bullet points of normal canine dental anatomical occlusion?

A

1: upper incisors slightly rostral

2: upper canine caudal to lower canine

3: zig zag of premolars

4: upper molars buccal to lower molars

50
Q

What is the feline dental formula?

A

3/3
1/1
3/2
1/1

51
Q

What is the equine dental formula?

A

3/3
1/1
3/3 (4/4)
3/3

52
Q

Where are wolf teeth on a horse located?

A

rostral surface of first premolar

53
Q

What is the ruminant dental formula?

A

0/3
0/1
3/3
3/3

[lower canine evolved to be an incisor]

ABS&C (16 decks)

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