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Anatomy Exam 4 (Ana) > exam 4: Head and neck digestive- Taste CN Vii, IX, X (32) > Flashcards

exam 4: Head and neck digestive- Taste CN Vii, IX, X (32) Flashcards

1
Q

what comprises the organs concerned with the reception, mechanical reduction, chemical digestion, and absorption of food and drink and with the elimination of unabsorbed residues.

A

The digestive apparatus

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2
Q

The digestive apparatus consist of the ______________ tract, extending from the mouth to the anus, and certain glands—the salivary glands, pancreas, and liver—that drain by ducts that open into the tract

A

alimentary

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3
Q

Alimentary tract in proper sequence are:

A
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4
Q

Mouth designates not only the cavity and its walls but also the

A

accessory structures that project (teeth, tongue) and drain (salivary glands) into it.

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5
Q

Oral cavity is entered between the lips
and the

A

palatoglossal arch (R. plataglossal fold + L. plataglossal fold)

two plica from soft palate to the tongue
(isthmus of the fauces)

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6
Q

identify this part of the lip

A

Philtrum

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7
Q

How would you describe A to B?

B to A?

A

A: Superior

B: Inferior

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8
Q

identify

A

vestibule (cheek)

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9
Q

what is divided by the teeth and
margins of the jaws into an outer
vestibule, bounded by the lips and
cheeks externally, and the central
mouth cavity proper

A

Oral cavity

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10
Q

identify

A

central mouth cavity (contains tongue)

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11
Q

Identify 1-3

A
  1. Labial Vestibule
  2. Buccal Vestibule (very large in herbivores)
  3. Labial Vestibule
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12
Q

identify 1 and 2

A

Vestibule:
1. labial
2. buccal

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13
Q

what is the function of the buccinator muscle

A

important function of returning to the central cavity any food that has
escaped into the vestibule

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14
Q

what is the principal support of the cheeks (buccae) in the oral cavity

A

principal support is the buccinator muscle (lateral wall)

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15
Q

Hyoid muscles that form the floor of the oral cavity

A

Geniohyoideus m. (longitudinal fiber; stronger)
Mylohyoideus m. (transverse fibers)

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16
Q

identify 1-3

A
  1. Geniohyoideus m. (very strong)
  2. Mylohyoideus m. (thin muscle)
  3. Basihyoideus bone
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17
Q

identify 1 and 2

A
  1. incisive papilla
  2. Palatine ridges
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18
Q

identify

once we pass these, where are we located

A

Palatine ridges

once there is no more ridges, this means we are in the soft palate

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19
Q

Hard palate of the oral cavity is formed of what 3 things

A

incisive, maxillary, and palatine bone

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20
Q

what does Heterodont mean

A

different types of teeth (incisive, canine, premolar & molar)

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21
Q

what does Diphyodont mean

A

successive development of deciduous and permanent set of teeth (there are 2 sets of teeth)

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22
Q

a tooth is also referred to as

A

dens

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23
Q

What is the crown of a tooth encased in

A

in enamel

this is the part we see

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24
Q

what is the root of the tooth encased in

A

in cement (VERY HARD)

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25
Q

Fibrous joint between the root of a tooth and the alveolus by the periodontal ligament

A

Gomphosis

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26
Q

identify 1-3

A

Enamel
dentine
cement

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27
Q

identify 1 and 2

A
  1. pulp
  2. Periodontal ligament
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28
Q

dog formula of the temporary (milk/deciduous/ baby) dentition

A

2(I 3/3, C1/1, P3/3) = 28

I= incisor
C= canine
P= premolar

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29
Q

The dog formula of the permanent dentition is:

A

2(I 3/3, C 1/1, P 4/4, M 2/3) = 42

M=molar (only permanent)
superior/inferior teeth

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30
Q

what vestibular surface of the tooth is facing the lip

A

Labial surface

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31
Q

what vestibular surface of the tooth is facing the bucca (cheek), once youre past the last pre-molar

A

Buccal surface

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32
Q

what vestibular surface of the tooth is facing the hard palate

A

Palatine surface

Only superior teeth!!!

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33
Q

what vestibular surface of the tooth is facing the the tongue

A

Lingual surface

Only inferior or mandibular teeth!!

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34
Q

Only inferior or mandibular teeth have what kind of surface

A

Lingual surface

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35
Q

what is the name of the contact surface of the teeth that is facing/in contact with the rostral tooth- towards the middle line (blue dots)

A

Mesial

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36
Q

what is the name of the contact surface of the tooth that faces/in contact with the caudal tooth(red dots)

A

Distal

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37
Q

what contact surface is blue representing?

red?

A

blue: Mesial

red: Distal

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38
Q

what is the tooth surface that faces/in contact with the opposite dental arch (upper/lower)

A

Occlusal surface (masticatory)

**important for chewing, cutting, etc

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39
Q

4th superior premolar & first inferior
molar are known as what kind of teeth

A

Sectorial or carnassial teeth

(very strong point compared to incisors, used to chew bones etc.)

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40
Q

In a canine, how many weeks does an eruption of temporary tooth take

A

3-5 weeks

41
Q

In a canine, how many weeks does an eruption of permanent tooth take

A

5-7 month

42
Q

In a canine, how many weeks does an eruption of permanent first premolar tooth take

if you open a mouth and you see the first premolar=

A

4-5 month

43
Q

what is the permanent formula for cats

A

2(I 3/3, C 1/1, P 3/2, M 1/1)=30

44
Q

what is the Deciduous formula for cats

A

2(I 3/3, C1/1, P3/2)=26

45
Q

Modified Triadan system numbering

A
46
Q

name the types of teeth

A
  1. incisors
  2. canine
  3. premolars
  4. molars
47
Q

what occupies the greater part of the oral cavity but also extends into the oropharynx

A

Tongue (lingua)

48
Q

Tongue (lingua) has an attached root and body and a free ______________

A

apex

49
Q

Tongue (lingua) is highly ______

A

muscular

50
Q

identify the parts of the tongue

A
  1. Root
  2. body
  3. apex
51
Q

what nerve corresponds with the Root of the tongue

A

CN IX

52
Q

what nerve corresponds with the Body of the tongue

A

CN V & VII

53
Q

what nerve corresponds with the Apex of the tongue

A

CN V & VII

54
Q

identify the papillae of the tongue

A

1.conical papillae (mechanical)
2. vallate papillae (taste)

55
Q

Identify the papilla of the tongue

A
  1. filiform papillae (mechanical)
  2. fungiform papillae (taste)
56
Q

identify

A

foliate papillae

57
Q

identify

A

Marginal papillae (ONLY IN PUPPIES; will disappear)

58
Q

identify

A

Lyssa (mechanical receptors)

59
Q

identify 1 and 2

A

1.Frenulum
2. Sublingual caruncle (opening of saliva glands)

60
Q

Extrinsic muscles of the Tongue are receive motor signals by what nerve

A

Hypoglossal n. (XII) GSE

61
Q

identify 1-3 of the extrinsic muscles of the tongue

A

PAIRED MUSCLES
1. Styloglossus m. (origin; stylohyiodus)
2. Hyoglossus m.
3. Genioglossus m.

62
Q

identify the muscles of the tongue

A
  1. Hyoglossus m.
    2.Intrinsic mm.
    3.Genioglossus m.
63
Q

identify 1 and 2 of the Hyoid m.

A
  1. Geniohyoideus m.
  2. Mylohyoideus m.
64
Q

Major salivary glands

Located in the base of the auricular cartilage, lateral to the temporo-mandibular joint (V or U shape)

A

Parotid gland

65
Q

Major salivary glands

Runs in a horizontal direction, superficial to the masseter m. Penetrate the buccinator m. to open into the buccal vestibule at the level of the 4th superior pre-molar

A

Parotid duct

66
Q

identify 1 and 2

A

1.Parotid gland
2.Parotid duct

67
Q

what does the parotid duct run between that is important to differentiate

A

branches of the facial nerve

68
Q

Major salivary glands:

Ovoid gland located in the neck caudal to the angle of the mandible, ventral to the wing of the atlas.

Largest in animals, bigger than parotid

A

Mandibular gland

69
Q

Runs in the sublingual space, opens in the sublingual carubcle.

A

Mandibular duct

70
Q

identify

A

Mandibular gland

71
Q

identify 1 and 2

A
  1. Mandibular gland
  2. Mandibular lymph nodes
72
Q

identify the muscles in close proximity of the mandibular gland

A

Masseter m.
Buccinator m.

73
Q

Major salivary glands:
Located rostral to the mandibular gland. Its
duct runs with the mandibular gland duct and
opens in the sublingual caruncle

A

Sublingual gland (monostomatic)

74
Q

Major salivary glands:
Group of small salivary glands located in the sublingual
space. Opens directly in the sublingual space through several shorts ducts

A

Sublingual glands (polistomatic)

75
Q

Major salivary glands:

Gland located ventral to the orbit in the pterygopalatine fossa. Opens through short ducts caudal to the last upper molar

A

Zygomatic gland

76
Q

identify

A

Zygomatic gland

77
Q

identify

A

Zygomatic gland

78
Q

Identify the major salivary glands

A
79
Q

identify the parts of the Pharynx

A

1.Nasopharynx
2. Laryngopharynx (connect to esophagus)
3.Oropharynx

80
Q

what is the order in which things travel starting with the NASAL CAVITY

A
  1. Nasal cavity
  2. Nasopharynx
  3. intrapharyngeal ostium
  4. larynx
  5. trachea
81
Q

what is the order in which things travel starting with the ORAL CAVITY

A
  1. oral cavity
  2. ororpharynx
  3. laryngopharynx
  4. esophagus
82
Q

identify 1-3

A
  1. Nasopharynx
  2. Laryngopharynx
  3. Oropharynx
83
Q

identify 1-3

A

1.Soft palate
2. Larynx
3.Esophagus

84
Q

identify 1 and 2

A
  1. Laryngopharynx
  2. Oropharynx
85
Q

what is located between the Laryngopharynx and the esophagus

A

Pharyngoesophageal limen (boundary)

86
Q

identify components of the pharyngeal m. (pharyngeal constrictors) 1-3

A
  1. Hyopharingeus m.
  2. Thyropharingeus m.
  3. Crycopharingeus m. (forms limen)
87
Q

what is the name of the plica of mucosa being pointed to

A
  1. frenulum of superior lip
  2. frenulum of inferior lip
88
Q

the Geniohyoideus m attached in the mandible and inserts at the _________

A

Basihyoideus bone

89
Q

every time you swallow what contracts

A

Geniohyoideus m

90
Q

what is the function of the canine tooth

A

prehension
kill prey

91
Q

what is the maximum amount of roots you can have for a tooth

A

3

92
Q

between the crown and the root of the tooth

A

Neck of the tooth

93
Q

what is the purpose of the peridontal ligament

A

fix the root in the tooth in the bone

94
Q

If you open a dogs mouth a see the first premolar but there is still baby canine

what is the age

A

between 4-7 months

95
Q

the vallate, foliate, and fungiform papilla on the tongue are used for

A

TASTE

96
Q

Vallate papilla rostral= _____ of the tongue
Vallate papilla caudal= _______of the tongue

A

Vallate papilla rostral= body of the tongue
Vallate papilla caudal= root of the tongue

97
Q

Hyoglossus m. action and attachment

A

move tongue laterally

thyrohyoidus, hyoid apparatus, basohyoidus and goes to root of tongue

98
Q

Genioglossus m. action and attachment

A

pull tongue out of mouth

attaches to rostral mandible (close to symphysis) then expands in the middle of the tongue

99
Q

From the oral cavity which is innervated by CN __ we pass to the oropharynx which is innervated by CN __ then to nasopharynx, laryngopharynx, and esophagus

A

V (5; trigeminal)
IX (9; glossopharyngeal)

Anatomy Exam 4 (Ana) (16 decks)

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