Mastication Flashcards

(60 cards)

1
Q

Name face muscles 1-3

A

1.temporalis
2.masseter
3.digastricus

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2
Q

Name muscles of mastication

A

1.temporalis
2.masseter
3.digastricus
4.mylohyoid
5.medial pterygoid
6.origin of lateral pterygoid
7.tongue
8.mandible
9.zygomatic arch

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3
Q

Name muscles of lips and cheeks 1-6

A

1.mylohyoid muscle
2.mandible
3.digastric muscle
4.masseter
5.sphenoid bone
6.tympanic bulla

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4
Q

10 muscles of lips and cheeks

A

Orbicularis oris
Incisive
Nasolabial elevator
Lavatory of the upper lip
Canines muscle
Depressor of upper lip (only in ruminants)
Depressor of lower lip (all species but carnivores
Levator muscle of chin
Zygomatic muscle
Buccinator

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5
Q

Orbicularis oris function

A

Helps keep mouth closed while eating

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6
Q

Incisive function

A

Raise upper lip and pull lower lip downwards

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7
Q

Nasolabial elevator function

A

Opens nostrils and elevates upper lip

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8
Q

Name muscle

A

Buccinator

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9
Q

Function of Buccinator

A

Stops food pocketing in cheeks

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10
Q

Name 1+2

A

1.levator nasolabialis
2.orbicularis oris

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11
Q

Name 1-3

A

1.levator nasolabialis
2.levator labii superioris
3.caninus

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12
Q

Name 1-3

A

1.condyloid process
2.coronoid process
3.mylohyoid line

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13
Q

Where does mylohyoid muscle attach?

A

Mylohyoid line

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14
Q

Temporomandibular joint

A

-synovial hinge joint
-condoles of mandible and mandibular fossa of temporal bone
-lateral and caudal ligaments

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15
Q

TMJ in other species (herbivores)

A

-mandibular head is larger
-articulate surface flatter
-disc stronger
(Side to side movement in herbivores)

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16
Q

What is the pharynx?

A

Cross-point between respiratory and digestive system

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17
Q

What is the oropharynx?

A

Is part of the pharynx connected with the mouth

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18
Q

What is the roof of the oropharynx?

A

The soft palate
Walls = pharyngeal walls
Floor = tongue

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19
Q

What is the epiglottis?

A

-cartilage of larynx
-opens/closes trachea or oesophagus

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20
Q

Name 1-6

A

1.nasal passages
2.hard palate
3.tongue
4. Digestive (oropharynx and oesophagus)
5.epiglottis
6.airway (larynx and trachea)

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21
Q

Extrinsic muscles of tongue

A

Styloglossus
Hyoglossus
Thyrohyoid/basihyoid
Genioglossus

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22
Q

Styloglossus function and attachment

A

Elevator
Tongue to styloid process

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23
Q

Hyoglossus function and attachment

A

Retracts and depresses
Hyoid apparatus to tongue

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24
Q

Genioglossus function and attachment

A

Mandibular symphysis, protrudes tongue and retracts tip
Chin to tongue

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25
Intrinsic muscles of tongue
Longitudinal Transverse Vertical bundles
26
Function of longitudinal muscle in tongue
Shortens and curls tongue upwards and downwards
27
Function of transverse muscle in tongue
Narrows and elongates tongue
28
Function of vertical bundles in tongue
Flattens and widens tongue
29
Nerves of tongue/face
Hypoglossal nerve Glossopharyngeal and facial nerves
30
Hypoglossal nerve function
Motor nerve that controls muscles of tongue
31
Glossopharyngeal and facial nerves functions
Glossopharyngeal = sensory and motor control related to tongue and pharynx Facial nerves = facial expression
32
Name 1-6
1.epiglottis 2.conical papillae 3.vallate papillae 4.fungiform papillae 5.median sulcus 6.filiform papillae
33
Function of median sulcus
Detects how far in or out tongue is
34
Name 5,6,9,10,11
5.vallate papillae 6.fungiform papillae 9.epiglottis 10.frenulum 11.styloglossus muscle
35
Name pink, orange, yellow and blue salivary glands
Pink = zygomatic Orange = parotid salivary gland Yellow = sub-lingual Blue = mandibular
36
Difference between glands and lymph nodes
Lymph nodes are smaller than glands
37
Name 1-21
1.parotid gland 2.parotid duct 3.temporal 4.zygomatic arch 5.medial pterygoid 6.palatine glands 7.orbital ligament 8.frenulum 9.genioglossus 10.mandibular duct 11.mylohyoideus 12.digastricus 13.monostatic sublingual gland 14.stylohyoideus 15.thyrohyoideus 16.mandibular gland 17.sternohyoideus 18.cricothyroideus 19.sternothyroideus 20.sternocephalicus 21.zygomatic gland
38
How many incisors, canines, pre molars and molars on one side of top and bottom jaw
3 incisors 1 canine 4 pre molars 3 molars (including carnassial tooth)
39
How many teeth do dogs have?
42
40
Structure and function of incisors
Small, pointed and single rooted Nibbling off and cutting flesh Also for delicate grooming
41
Structure and function of canines
Very sharp with a single root embedded deep into the bone Holding prey
42
Structure and function of pre molars
Usually have 2 or 3 roots and serrated Shearing meat and grinding flesh
43
Structure and function of molars
Similar in shape to pre molars - serrated Usually have 3 roots Shearing meat and grinding flesh Not found in deciduous set of teeth
44
Location of carnassial teeth in dogs
Upper 4th premolar and lower 1st molar
45
Location of carnassial teeth in cats
Upper 3rd premolar and lower 1st molar
46
What is deciduous/hulk/temporary dentition?
-present from birth -erupt during first few months of life -whiter and smaller than adult teeth
47
What is permanent dentition?
-follow deciduous teeth -remain with animal for rest of life -develop signs of wear as animal gets older
48
Name 1-6
1.enamel 2.dentine 3.pulp cavity 4.cement 5.root 6.gingiva
49
How many deciduous teeth do dogs have?
28
50
How many permanent teeth do cats have?
30
51
How many deciduous teeth do cats have?
26
52
Formula of deciduous teeth of dog
53
Formula of permanent teeth of dogs
54
Formula of deciduous teeth of cats
55
Formula of permanent teeth of cats
56
Number of right upper jaw
1
57
Number of left upper jaw
2
58
Number of right lower jaw
4
59
Number of left lower jaw
3
60
Name planes of teeth 1,2,3,4
1.mesial 2.distal 3.coronal (crown) 4.apical (root)