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Veterinary Anatomy > Mouth and Teeth > Flashcards

Mouth and Teeth Flashcards

1
Q

what is an important site of muscle attachment for the mouth

A

basihyoid bone

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2
Q

what are the cheek pouches called

A

buccal vestibule

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3
Q

what is unique about dentition in ruminants

A

dental pad - acts like a cutting board

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4
Q

T/f incisive papillae are in all species

A

T

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5
Q

T/f buccal papillae are in all species

A

F (ruminants only)

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6
Q

What does heterodont mean

A

different teeth shapes

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7
Q

What does homodont mean

A

All teeth are the same shape

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8
Q

What does diphyodont mean

A

Two sets of teeth (baby/deciduous and adult/permanent)

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9
Q

What does polyphyodont mean

A

Continuous replacement of teeth

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10
Q

Are most mammals diphyodont or polyphyodont

A

diphyodont

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11
Q

What are brachyodont teeth

A

low crowned teeth (root > crown)

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12
Q

What are hypsodont teeth

A

high crowned (crown > root)

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13
Q

What are examples of brachyodont teeth

A

carnivore teeth, horse deciduous incisors, pig teeth besides the tusk, ruminant incisors

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14
Q

What are examples of hypsodont teeth

A

Tusk, ruminant cheek teeth, all permanent horse teeth, rabbit teeth

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15
Q

What are bunodont teeth

A

rounded cusps (think blunt)

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16
Q

What are lophodont

A

sharp-edged ridged teeth

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17
Q

What does anelodont mean

A

Limited teeth growth, develop roots

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18
Q

What is elodont

A

Continuous growth, no roots

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19
Q

Describe the growth of rabbit teeth

A

Elodont (need to have them clipped)

20
Q

What is the difference between successional and non-successional teeth

A

Successional are deciduous teeth followed by permanent teeth (ex. incisors, canine, premolars) whereas non-successional teeth are permanent teeth that do not grow after deciduous teeth (ex. molars)

21
Q

What is the tusk

A

Canine tooth in pigs

22
Q

What are peg teeth

A

Second caudal row of incisors in lagomorph

23
Q

What are wolf teeth

A

Rudimentary upper first premolar in horses

24
Q

What are needle teeth

A

The deciduous third incisor and canine in piglets

25
Q

What modified teeth make up the carnassials

A

4th premolar and 1st molar

26
Q

What area of the mouth makes up quadrant 1 in the Triadan numbering system

A

Upper right

27
Q

What makes up 01

A

Incisor nearest the midline

28
Q

What makes up 04

A

Canine

29
Q

What makes up 08

A

Premolar 4

30
Q

Mesial

A

Pointing at the nearest neighbouring tooth towards the rostrum

31
Q

Distal

A

Pointing at the nearest neighbouring tooth away from the rostrum

32
Q

Labial

A

Away from oral cavity towards the lips

33
Q

Buccal

A

Away from oral cavity towards cheek

34
Q

Palatal

A

Into oral cavity towards the hard palate

35
Q

Maxillary

A

Into oral cavity caudal to the hard palate (molars)

36
Q

What provides innervation to the teeth

A

CNV2 (superior alveolar n, to maxilla) and CNV3 (inferior alveolar n, to mandible)

37
Q

What arch is made up of the palatoglossal muscle, between the base of the tongue and the soft palate

A

Palatoglossal arch

38
Q

What arch is between the pharynx and soft palate

A

Palatopharyngeal arch

39
Q

What are the intrinsic muscles of the tongue

A

Vertical, longitudinal, transverse

40
Q

What are the two extrinsic muscles of the tongue that do not attach to the tongue

A

Geniohyoid and mylohyoid

41
Q

What nerve axons make up the lingual nerve

A

trigeminal (CNV3), parasympathetic, facial (CN VII)

42
Q

What is the function of each axon of the lingual nerve

A

Parasympathetic: salivary glands
CN V3: general sensation to rostral 2/3
CN VII: taste to rostral 2/3

43
Q

What is the role of the glossopharyngeal nerve for the tongue

A

taste and general sensation caudal 1/3

44
Q

What is the role of CN X (vagus) for the tongue

A

taste caudal 1/3

45
Q

What is the role of CN XII (hypoglossal) for the tongue

A

motor to all muscles

46
Q

What is the blood supply to the tongue

A

Lingual a.

47
Q

what is responsible for the cough reflex and sensory stimulation of the larynx

A

cranial laryngeal n.

Veterinary Anatomy (16 decks)

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