Tongue

Question 1

How many cranial nerves does the tongue have?

Innervation-

Answer 1

4 cranial nerves

V3, 7, 9, 12

Question 2

Tongue terminology

Answer 2

Glossal or lingual

Covered with mucosa

Question 3

Tongue functions

Answer 3

Speech, mastication, degulation-swallowing

Question 4

Tongue blood supply

Answer 4

Lingual artery- supplies tongue

Question 5

The medial septum in tongue is

Answer 5

Paired muscle

Question 6

The tongue is a mass of muscle covered with

Answer 6

Mucosa

Question 7

Body of the tongue made up of

Answer 7

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

Question 8

Types of mucosa in the oral cavity

Answer 8

Lining, masticatory, specialized

Question 9

Lining mucosa location

Answer 9

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

Question 10

Lining mucosa histology

Answer 10

Nonkeratinized stratified squamous epithelium. Less pronounced rete pegs

Question 11

Lining mucosa function

Answer 11

Protective cushion, wimpy compared to keratinized

Question 12

Masticatory mucosa location

Answer 12

Dorsal surface of tongue, hard palate, attached gingiva

Question 13

Masticatory mucosa histology

Answer 13

Keratinized stratified squamous epithelium, pronounced rete pegs

Question 14

Masticatory mucosa function

Answer 14

Resiliency, barrier

Question 15

Specialized mucosa location

Answer 15

Dorsal and lateral surfaces of tongue with lingual papillae.

Question 16

Specialized mucosa histology

Answer 16

Orthokeratinized

Question 17

Specialized mucosa function

Answer 17

Taste

Question 18

Ventral surface

Lingual frenum-

Answer 18

Connects tongue to floor of mouth

Question 19

Ventral surface

Deep lingual vein-

Answer 19

Blue(can see in some)

Question 20

Ventral surface

Plica fimbriata-

Answer 20

Hair like projections

Question 21

Ventral surface

Sublingual fold-

Answer 21

Area between tongue and where floor of mouth starts

Question 22

Ventral surface

Sublingual gland-

Answer 22

Can’t really see, produces saliva

Question 23

Ventral surface

Sublingual caruncles

Answer 23

2 little holes, gland puts saliva out of these

Question 24

Dorsal surface

Fungiform papilla-

Answer 24

Mushroom shape

Question 25

Dorsal surface | Filiform papilla

Answer 25

Finger like projections, can collect plaque, keratinized

Question 26

Dorsal surface | Circumvallate papilla-

Answer 26

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

Question 27

Dorsal surface | Foliate papilla-

Answer 27

Ruffles on lateral border, | Posterior on tongue

Question 28

Dorsal surface | Lingual tonsil-

Answer 28

At base, lymphatic tissue behind circumvallate papilla.

Question 29

Extrinsic tongue muscles O: I:

Answer 29

O: outside the tongue I: inside/within tongue

Question 30

Extrinsic tongue muscles functions

Answer 30

Speech, mastication, swallowing

Question 31

Genioglossus O: I:

Answer 31

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

Question 32

Genioglossus action

Answer 32

Protrude the tongue | "Stick out tongue"

Question 33

Styloglossus O: I:

Answer 33

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

Question 34

Styloglossus action-

Answer 34

Retracts tongue | *brings tongue back in

Question 35

Hypoglossus O: I:

Answer 35

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

Question 36

Hypoglossus action

Answer 36

Depressing tongue | "Brings down"

Question 37

Intrinsic tongue muscles attachments O: I:

Answer 37

All within tongue

Question 38

Intrinsic tongue muscles functions

Answer 38

Change the shape, speech, swallowing, mastication

Question 39

Intrinsic muscles | Superior longitudinal-

Answer 39

Most superficial, runs long ways, shorten and thickens tongue *named how it lays on tongue *inf/sup same action "Bread on sandwich"

Question 40

Intrinsic muscles | Transverse-

Answer 40

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"

Question 41

Intrinsic muscles | Vertical-

Answer 41

Deep to transverse, lengthens and narrows tongue. Vertical and transverse- same action "Middle" "meat in sandwich"

Question 42

Intrinsic muscles | Inferior longitudinal-

Answer 42

Deepest of all intrinsic muscles, shortens and thickens *inf/sup same action "Bread on sandwich"