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ANAT3004 > Oral Cavity > Flashcards

Oral Cavity Flashcards

1
Q

Where is the vestibule?

A

In between the lips and cheeks and in front of/lateral to the teeth and gums

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2
Q

T/F:

Buccinator is a part of oral cavity proper

A

False

Part of the vestibule

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3
Q

Where does buccinator extend from?

A

Outer surfaces of the mandible and maxilla and pterygomandibular raphe to modiolus

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4
Q

Which structure is found anteriorly and laterally in the oral cavity proper?

A

Alveolar teeth of manadible and maxilla

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5
Q

T/F:

The palatoglossal folds extend from the hard palate to the posterolateral tongue

A

False

Soft palate

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6
Q

T/F: Palatopharyngeal folds extend from the thyroid lammina and contain palatopharyngeal muscle

A

True

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7
Q

Which structures make up the hard palate?

A

palatine process of maxilla and horizontal plate of palatine bone

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8
Q

Which structures make up the floor of the oral cavity proper?

A

Tongue
Alveolar lingual sulcus
Mylohyoid muscle

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9
Q

What are the three parts of the tongue?

A

Root
Dorsum
Ventral surface

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10
Q

T/F: The ventral surface of the tongue extends into the oropharynx

A

False

does not

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11
Q

What is the dorsum part of the tongue divided into?

A

Palatine (anterior)

Pharyngeal (posterior)

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12
Q

T/F:

Taste buds are found on the dorsal surface of the palatine part of the tongue

A

True

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13
Q

Where are taste found?

A

Fungiform, vallat and foliate papilla as well as in the lining of the oral cavity

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14
Q

T/F:

Taste buds are found on filiform papilla

A

False

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15
Q

What does the alveolar lingual sulcus contain?

A

Sublingual folds

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16
Q

Which structures are deep to the alveolar lingual sulcus?

A

sublingual salivary glands

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17
Q

What is the midline of the ventral surface of palatine tongue?

A

Frenulum

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18
Q

T/F:

Fimbriated folds are lateral to the frenulum and lingual veins are lateral to the fimbriated folds

A

False

Lingual veins are lateral to the frenulum and fimbriated folds are lateral to the lingual veins

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19
Q

Where do the submandibular ducts open up into?

A

Sublingual folds

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20
Q

What can be found on the sides of the palatine tongue?

A

Approximately 5 foliate papillae on each side

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21
Q

Where does the pharyngeal part of the tongue extend to?

A

Just posterior to the vallate papillae to the epiglottis

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22
Q

T/F:

Lingual tonsils are found in the palatine tongue

A

False

pharyngeal tongue

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23
Q

T/F:

Extrinsic muscles of the tongue change its shape and intrinsic muscles of the tongue move it.

A

False

Other way round

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24
Q

List the intrinsic muscles of the tongue

A

Superior and inferior longitudinal

Vertical and transverse

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25
Q

List the extrinsic muscles of the tongue

A

Genioglossus
Hyloglossus
Styloglossus
Palatologlossus

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26
Q

Where does genioglossus extend from and what is its function?

A

Mental spine to the tongue

protrusion

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27
Q

Which muscle extends from the hyoid to the sides of the tongue and is involved in depressing the side of the tongue?

A

Hyloglossus

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28
Q

T/F:

Styloglossus extends from the styloid process to the side of the tongue

A

True

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29
Q

What is the role of styloglossus?

A

Posterosuperior movement, tongue up and back during swallowing

30
Q

Where does palatoglossus extend from and what is its role?

A

Soft palate to the tongue
Elevates the tongue
Narrows the isthmus

31
Q

Lingual artery runs deep to ____ and in

between ____ and _____

A

Deep to intermediate tendon of digastric

In between hyoglossus and genioglossus

32
Q

Where does the lingual vein normally drain to?

A

Internal jugular vein

33
Q

Which nerve supplies general sensation to the mucosa of the tongue?

A

Lingual nerve

34
Q

Where do the taste buds get their special sensation from?

A

Chorda tympani except vallate taste buds

Vallate taste buds get theirs from glossopharyngeal

35
Q

T/F:

Posterior tongue/mucosa gets general sensation from lingual nerve

A

False

general sensation from glossopharyngeal and vagus

36
Q

T/F:

Hypoglossal nerve innervates the intrinsic and extrinsic muscles

A

False
Innervates all except palatoglossus
Palatoglossus is innervated by the pharyngeal plexus

37
Q

What innervates the intrinsic salivary glands?

A

Parasympathetic from chorda tympani

38
Q

Are intrinsic salivary glands found on the gingival or anterior hard palate?

A

No

39
Q

What are intrinsic salivary glands of the tongue called?

A

von Ebner’s glands

40
Q

T/F:

Intrinsic salivary glands are mucus secreting

A

False

Predominantly mucus but von Ebner’s is serous

41
Q

T/F:

Extrinsic salivary glands are within the oral cavity

A

False

Outside

42
Q

T/F:

Parotid gland secretes serous

A

False

mucus

43
Q

What do the sublingual/submandibular glands secrete?

A

Mixed mucus and serous

44
Q

Sublingual gland is between ___ and _____

A

Between mylohyoid and oral mucosa

45
Q

Where would you find the lingual tonsils?

A

Pharyngeal part of the tongue

46
Q

Where does the pharyngeal part of tongue extend from?

A

Posterior to the vallate papillae to the epiglottis

47
Q

The palatine tonsil is found in between which two structures?

A

Palatoglossal fold (more lateral) and palatopharyngeal fold (more medial)

48
Q

T/F:

Palatopharyngeal fold is more lateral than the palatoglossal fold

A

False

Other way round

49
Q

T/F:

Submandibular glands empty into the sublingual folds

A

False
They empty into the sublingual papillae
(sublingual ducts empty into the sublingual folds)

50
Q

T/F:

Inferior longitudinal muscles are mostly lateral

A

True

51
Q

T/F:

The lingual artery can be found superficial to hyoglossus muscle

A

False
It is deep
passes between hyoglossus and genioglossus

52
Q

T/F:

Palatoglossus is beneath the palatoglossus fold/arch

A

True

53
Q

T/F:

Blood vessels of the oral cavity receive parasympathetic supply from plexuses on the lingual artery

A

False

Sympathetic supply

54
Q

What makes up the hard palate?

A

Palatine process of maxilla, horizontal plate of palatine bone

55
Q

T/F:

The mucosa of the hard palate is smooth anteriorly and transverse folds posteriorly

A

False

Other way round

56
Q

What is found in the submucosa of the hard palate?

A

Adipose tissue and salivary glands

57
Q

What makes up the soft palate?

A

Muscle and aponeuroses of palatine muscles

58
Q

T/F:

The soft palate has respiratory mucosa on the nasal surface

A

True

59
Q

Where does levator palati extend from?

A

Medial auditory tube to the palatal aponeurosis

60
Q

Which muscle is lateral to levator palati?

A

Tensor palati

61
Q

Where does levator palati extend from?

A

Scaphoid fossa, sphenoid bone and lateral wall of cartilagenous auditory tube to the hamulus where it forms a tendon

62
Q

T/F:

The tendon of tensor palati turns laterally around the hamulus and inserts/becomes the palatal aponeurosis

A

False

Turns medially

63
Q

Which part of tensor palati is part of the soft palate?

A

The aponeurosis

64
Q

Which muscle does palatopharyngeus join?

A

Salpingopharyngeus

65
Q

T/F:

Hypoglossal nerve is deep to posterior belly of digastric

A

False

Deep to intermediate tendon

66
Q

T/F:

Hypoglossal nerve passes in between hyoglossus and mylohyoid muscles

A

True

67
Q

Which muscle can the hypoglossal nerve be found superfically to?

A

Genioglossus

68
Q

What is the function of the hypoglossal nerve?

A

Motor supply to muscles of the tongue except palatoglossus

69
Q

Which two muscles does the glossopharyngeal nerve pass between with stylopharyngeus?

A

Superior and middle pharyngeal constrictors

70
Q

T/F:

Glossopharyngeal nerve provides motor supply to palatopharyngeus

A

False

stylopharyngeus

71
Q

Which structure does glossopharyngeal provide parasympathetic innervation to?

A

Secretomotor to parotid

ANAT3004 (17 decks)

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