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Med School Yr 2 > The Tongue > Flashcards

The Tongue Flashcards

1
Q

what are the 3 parts of the tongue?

A

apex
body
root

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2
Q

what are the lateral glossoepiglottic folds?

A

2 x mucosal folds that connect ognue to epiglottis

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3
Q

what is the epiglottic vallecula?

A

depressions between the median and lateral folds of the tongue

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4
Q

what is the lingual tonsil?

A

makes up the root of the tongue

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5
Q

what is the terminal sulcus of the tongue?

A

separates the body of the tongue from the roof of the tongue

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6
Q

what is the foramen cecum of the tongue?

A

remenant of the thyroglossal duct - formed from the descention of the thyroid during development

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7
Q

what does the frenulum of the tongue connect?

A

tongue to the floor of the oral cavity

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8
Q

the sublingual folds have many openings for what?

A

sublingual ducts coming from sublingual glands

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9
Q

what are the sublingual caruncles?

A

2 tubercles on eitherside of the frenulum where the submandibular and major sublingual glands open into

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10
Q

where doe the submandibular glands open into the oral cavity?

A

sublingual caruncles

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11
Q

what are the origins and insertions of the genioglossus?

A

origin - mandibular symphysis
insertion - body of hyoid and entire length of the tongue

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12
Q

what is the action of the genioglossus?

A

protrusion and depression of the tongue

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13
Q

what is the innervation of the genioglossus?

A

hypoglossal nerve

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14
Q

what are the origins and insertions of the hyoglossus?

A

origin - hyoid bone
insertion - lateral aspect of tongue

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15
Q

what is the action of the hyoglossus?

A

depression and retraction of the tongue

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16
Q

what is the innervation of the hyoglossus?

A

hypoglossal nerve

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17
Q

what are the origins and insertions of the styloglossus?

A

origins - styloid process of temporal bone
insertions - lateral aspect of the tone

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18
Q

what is the action of the styloglossus?

A

retraction and elevation of the tongue

19
Q

what is the innervation of the styloglossus?

A

hypoglossal nerve

20
Q

what is the origin and insertion of the palatoglossus?

A

origin - palatine aponeurosis
insertion - broadly along the tongue

21
Q

what is the function of the palatoglossus?

A

elevation of the tongue

22
Q

what is the innervation of the palatoglossus?

A

vagus nerve

23
Q

what are the 4 extrinsic muscles of the tongue?

A
  • palatoglossus
  • styloglossus
  • hyoglossus
  • genioglossus
24
Q

what are the 3 intrinsic muscles of the tongue?

A
  • superior and inferior longitudinal
  • vertical
  • transverse
25
Q

what is the innervation of the transverse tongue muscles?

A

hypoglossal (CN XII)

26
Q

what is the innervation of the vertical tongue muscles?

A

hypoglossal (CN XII)

27
Q

what is the innervation of the superior and inferior longitudinal?

A

hypoglossal (CN XII)

28
Q

what is the origin and insertion of the superior longitudinal?

A

apex to radix of tongue

29
Q

what is the action of the superior longitudinal?

A

shortens the tongue

30
Q

what is the origin and insertion of the vertical tongue muscles?

A

connects upper and lower surfaces of tongue

31
Q

what is the action of the vertical tongue muscles?

A

flattens the tongue

32
Q

what is the origins and insertions of the transverse tongue muscles?

A

origin - median fibrous septum
insertion - run laterally to sides of the tongue

33
Q

what is the action of the transverse tongue muscles?

A

narrows the tongue

34
Q

where are the foliate papillae found? what is their role?

A
  • lateral regions of tongue
  • contain taste buds
35
Q

where are the vallate papilla found? what is their role?

A
  • near terminal sulcus
  • contains taste buds
36
Q

what is the role of the fungiform papilla found?

A

small elevation that carries taste buds

36
Q

what is the role of the filiform papilla?

A

give roughness to the tongue

37
Q

which tongue papilla do not contain taste buds?

A

filiform papilla

38
Q

label these muscles

A
39
Q

label these muscles of the tongue

A
40
Q

label the tongue

A
41
Q

label these muscles of the tongue

A
42
Q

label the tongue papilla

A
43
Q

label this diagram of the tongue

A

Med School Yr 2 (96 decks)

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