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DEN1DSB > WEEK 11 > Flashcards

WEEK 11 Flashcards

1
Q

What is the function of the root of the tongue

A

anchors tongue to floor of oral cavity proper, mandible, and hyoid bone

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2
Q

the body is more _______ than the root

A

mobile

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3
Q

Describe the apex of tongue

A

most anterior and in contact with that incisor teeth

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4
Q

What are the dorsal surfaces of the tongue

A

Lingual Tonsil, sulcus terminalis, epiglottis, circumvallate papillae, fungiform papillae, filliform papillae

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5
Q

why is the posterior aspect of the tongue rough?

A

the lingual tonsil

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6
Q

the oropharynx is the _________ _______ of the posterior 1/3 of the tongue

A

anterior wall

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7
Q

What are the parts of the ventral surface of the tongue

A

deep lingual vein, lingual frenulum, sublingual caruncle

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8
Q

what does the sublingual caruncle do

A

recieve opening of submandibular duct

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9
Q

What is the condition when a person has a short lingual frenulum

A

tongue tie

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10
Q

What are intrinsic muscles

A

they have both their attachments within the region

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11
Q

what are extrinsic muscles?

A

one attachment inside the region and a second attachment outside

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12
Q

What are the intrinsic muscles of the tongue?

A

superior longitudinal, inferior longitudinal, transverse, vertical

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13
Q

what are the extrinsic muscles of the tongue?

A

Genioglossus
Hyoglossus
Styloglossus
Palatoglossus

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14
Q

what is the origin of the genioglossus muscle?

A

Superior genial tubercles

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15
Q

what is the insertion of the genioglossus muscle?

A

fibres insert along the entire length of the tongue
Hyoid bone

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16
Q

what is the origin of the hyoglossus muscle?

A

the hyoid bone

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17
Q

what is the insertion of the hyoglossus muscle?

A

fibres run superiorly and insert into the lateral aspects of the tongue

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18
Q

what is the origin of the styloglossus muscle

A

styloid process of the temporal bone

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19
Q

what is the insertion of the styloglossus muscle?

A

posterior 1/3 of the tongue

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20
Q

what is the origin of the palatoglossus?

A

palatine aponeurosis of soft palate

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21
Q

what is the insertion of the palatoglossus?

A

posterior lateral tongue

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22
Q

what do all intrinsic muscles do to the tongue?

A

change shape

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23
Q

what do all extrinsic muscles do to the tongue?

A

change position

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24
Q

what is the function of the superior longitudinal muscle?

A

moves tip of tongue superiorly

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25
Q

what is the function of the vertical muscle?

A

broadens the tongue

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26
Q

what is the function of the transverse muscle?

A

narrows tongue

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27
Q

what is the function of the inferior longitudinal muscle?

A

moves the tip inferiorly

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28
Q

what is the function of the genioglossus muscle?

A

protrudes and depresses tongue

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29
Q

what is the function of the hyoglossus muscle?

A

depresses lateral aspect of the tongue

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30
Q

what is the function of the styloglossus muscle?

A

elevates the posterior aspect and retrudes tongue

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31
Q

what is the function of the palatoglossus muscle?

A

elevates posterior tongue to close the fauces

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32
Q

All tongue muscles are innervated by hypoglossal nerve except for

A

palatoglossus which is innervated by vagus nerve (through pharyngeal plexus)

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33
Q

what is the role of the mylohyoid and geniohyoid in tongue movement?

A

support the tongue but aren’t in the tongue

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34
Q

which muscles are involved with producing the d in bleed

A

genioglossal

35
Q

which muscles are involved with producing k in make

A

palatoglossal and styloglossal

36
Q

which muscles are involved with producing th in thing

A

genioglossal

37
Q

Describe the innervation of the general sensation on anterior 2/3

A

lingual nerve

38
Q

Describe the innervation of the general sensation and taste of the posterior 1/3

A

glossopharyngeal nerve

39
Q

describe the innervation of taste sensation

A

chorda tympani branch of facial nerve on anterior 2/3

40
Q

describe the innervation of pharyngeal plexus (vagus)

A

palatoglossus muscle

41
Q

the parts of the epiglottis are

A

lateral glossoepiglottic folds, median glossoepiglottic folds and vallecula

42
Q

what are the parts of the epiglottis innervated by?

A

Vagus Nerve

43
Q

The hypoglossal nerve is the main motor nerve and crosses the

A

lingual artery

44
Q

which nerve in the tongue is most superior

A

lingual, with chorda tympani attached posteriorly, followed by glossopharyngeal, and hypoglossal

45
Q

What is the arterial supply of the tongue

A

lingual artery from external carotid

46
Q

what structure does the hypoglossal nerve cross

A

the loop of the lingual artery

47
Q

The lingual vein runs parallel to

A

the branches of the lingual artery

48
Q

the lingual vein drains into the

A

internal jugular vein

49
Q

the jugulo-digastric is the

A

principal node of the tongue

50
Q

which lymp is located near the hyoid bone

A

jugulo-omohyoid

51
Q

which lymphs drain into the deep cervical nodes

A

submandibular and submental

52
Q

all lymph drains into via lymph nodes into

A

deep vessels in the neck

53
Q

the submental node drains

A

tip of the tongue

54
Q

the submandibular nodes drain

A

central area of dorsum of tongue

55
Q

the deep cervical chain is made up of

A

jugulodigastric and jugulo omohyoid

56
Q

sulcus terminalis is

A

what separates anterior 2/3 and posterior 1/3

57
Q

the surface projections on the mucous membrane are called

A

lingual papillae

58
Q

the posterior 1/3 surface projections on the mucous membrane is forned by

A

lingual tonsils

59
Q

The papillae anterior to the sulcus terminalis

A

circumvallate, fungiform papillae, filiform papillae, foliate papillae

60
Q

which papillae have taste buds

A

circumvallate and fungiform

61
Q

Barrel shaped epithelial structures are

A

a collection of fusiform cells that open into a gustatory pore

62
Q

the main taste bud cell types are

A

gustatory, basal, supporting cells

63
Q

the big white slices are called

A

crypt

64
Q

crypt means that we are looking at

A

circumvallate papillae

65
Q

a rich layer of keratin is seen on

A

filiform papillae

66
Q

if there is no keratin it is

A

fungiform papillae

67
Q

if filiform papillae is on the slide you call it

A

stratified squamous with keratinized tips

68
Q

what do von ebner glands do

A

open into the bottom of the crypt to wash out the food

69
Q

the core of the fungiform and filiform and circumvallate papillae is

A

lamina propria

70
Q

the posterior 1/3 is lined by

A

stratified squamous non-keratinized epithelium

71
Q

presence of lymphoid tissue in the form of lymphoid follicles is

A

lingual tonsil

72
Q

epithelial crypts penetrate

A

the lingual tonsil

73
Q

the posterior 1/3 mucous membrane is

A

stratified squamous non keratinized epithelium

74
Q

the part of the lymphatic ring around the opening of the respiratory and digestive tract called

A

Waldeyers Ring

75
Q

the lateral wall of the oropharynx is the

A

palatine tonsil

76
Q

the lingual tonsil makes up

A

the posterior 1/3 of the tongue

77
Q

the lymphoid organs on the nasopharynx is the

A

tubal tonsil and pharyngeal tonsil

78
Q

all reticular connective tissue is filled with

A

lymphoid follicles

79
Q

the lining of the oropharynx is

A

stratified squamous epithelium non keratinized

80
Q

a lymphoid organ has a

A

capsule

81
Q

the palatine tonsil has numerous lymphoid follicles

A

forming the parenchyma (framework made of reticular connective tissue)

82
Q

the luminal surface epithelium is

A

stratified squamous epithelium non-keratinized

83
Q

the presence of tonsillar crypts are

A

invaginations of epithelium

84
Q

the hemicapsule is

A

a broken up capsule made of dense connective tissue

DEN1DSB (15 decks)

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