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Oral Anatomy > Tongue > Flashcards

Tongue Flashcards

1
Q

How many cranial nerves does the tongue have?

Innervation-

A

4 cranial nerves

V3, 7, 9, 12

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2
Q

Tongue terminology

A

Glossal or lingual

Covered with mucosa

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3
Q

Tongue functions

A

Speech, mastication, degulation-swallowing

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4
Q

Tongue blood supply

A

Lingual artery- supplies tongue

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5
Q

The medial septum in tongue is

A

Paired muscle

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6
Q

The tongue is a mass of muscle covered with

A

Mucosa

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7
Q

Body of the tongue made up of

A

Ventral surface(bottom), lateral surface(side of), dorsum(top of), and apex (tip of)

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8
Q

Types of mucosa in the oral cavity

A

Lining, masticatory, specialized

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9
Q

Lining mucosa location

A

Ventral surface of tongue, floor of mouth, alveolar and buccal mucosa, soft palate.

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10
Q

Lining mucosa histology

A

Nonkeratinized stratified squamous epithelium. Less pronounced rete pegs

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11
Q

Lining mucosa function

A

Protective cushion, wimpy compared to keratinized

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12
Q

Masticatory mucosa location

A

Dorsal surface of tongue, hard palate, attached gingiva

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13
Q

Masticatory mucosa histology

A

Keratinized stratified squamous epithelium, pronounced rete pegs

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14
Q

Masticatory mucosa function

A

Resiliency, barrier

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15
Q

Specialized mucosa location

A

Dorsal and lateral surfaces of tongue with lingual papillae.

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16
Q

Specialized mucosa histology

A

Orthokeratinized

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17
Q

Specialized mucosa function

A

Taste

18
Q

Ventral surface

Lingual frenum-

A

Connects tongue to floor of mouth

19
Q

Ventral surface

Deep lingual vein-

A

Blue(can see in some)

20
Q

Ventral surface

Plica fimbriata-

A

Hair like projections

21
Q

Ventral surface

Sublingual fold-

A

Area between tongue and where floor of mouth starts

22
Q

Ventral surface

Sublingual gland-

A

Can’t really see, produces saliva

23
Q

Ventral surface

Sublingual caruncles

A

2 little holes, gland puts saliva out of these

24
Q

Dorsal surface

Fungiform papilla-

A

Mushroom shape

25
Q

Dorsal surface

Filiform papilla

A

Finger like projections, can collect plaque, keratinized

26
Q

Dorsal surface

Circumvallate papilla-

A

Projection that forms inverted V, very far back, span evanor?

27
Q

Dorsal surface

Foliate papilla-

A

Ruffles on lateral border,

Posterior on tongue

28
Q

Dorsal surface

Lingual tonsil-

A

At base, lymphatic tissue behind circumvallate papilla.

29
Q

Extrinsic tongue muscles
O:
I:

A

O: outside the tongue
I: inside/within tongue

30
Q

Extrinsic tongue muscles functions

A

Speech, mastication, swallowing

31
Q

Genioglossus
O:
I:

A

O: genial tubercules “screw on skull”
I: ventral surface of under tongue

32
Q

Genioglossus action

A

Protrude the tongue

“Stick out tongue”

33
Q

Styloglossus
O:
I:

A

O: styloid process of temporal bone
I: lateral surface, apex and base of tongue

34
Q

Styloglossus action-

A

Retracts tongue

*brings tongue back in

35
Q

Hypoglossus
O:
I:

A

O: body of hyoid (and greater Cornu)
I: lateral surface of tongue

36
Q

Hypoglossus action

A

Depressing tongue

“Brings down”

37
Q

Intrinsic tongue muscles attachments
O:
I:

A

All within tongue

38
Q

Intrinsic tongue muscles functions

A

Change the shape, speech, swallowing, mastication

39
Q

Intrinsic muscles

Superior longitudinal-

A

Most superficial, runs long ways, shorten and thickens tongue

*named how it lays on tongue
*inf/sup same action
“Bread on sandwich”

40
Q

Intrinsic muscles

Transverse-

A

Just deep to superior longitudinal, lengthens and narrows tongue.

*names for how it lays on tongue
*vertical and transverse=same action
“Middle meat on sandwich”

41
Q

Intrinsic muscles

Vertical-

A

Deep to transverse, lengthens and narrows tongue.

Vertical and transverse- same action
“Middle” “meat in sandwich”

42
Q

Intrinsic muscles

Inferior longitudinal-

A

Deepest of all intrinsic muscles, shortens and thickens

*inf/sup same action
“Bread on sandwich”

Oral Anatomy (16 decks)

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