The Tongue

Question 1

what are the 3 parts of the tongue?

Answer 1

apex
body
root

Question 2

what are the lateral glossoepiglottic folds?

Answer 2

2 x mucosal folds that connect ognue to epiglottis

Question 3

what is the epiglottic vallecula?

Answer 3

depressions between the median and lateral folds of the tongue

Question 4

what is the lingual tonsil?

Answer 4

makes up the root of the tongue

Question 5

what is the terminal sulcus of the tongue?

Answer 5

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

Question 6

what is the foramen cecum of the tongue?

Answer 6

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

Question 7

what does the frenulum of the tongue connect?

Answer 7

tongue to the floor of the oral cavity

Question 8

the sublingual folds have many openings for what?

Answer 8

sublingual ducts coming from sublingual glands

Question 9

what are the sublingual caruncles?

Answer 9

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

Question 10

where doe the submandibular glands open into the oral cavity?

Answer 10

sublingual caruncles

Question 11

what are the origins and insertions of the genioglossus?

Answer 11

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

Question 12

what is the action of the genioglossus?

Answer 12

protrusion and depression of the tongue

Question 13

what is the innervation of the genioglossus?

Answer 13

hypoglossal nerve

Question 14

what are the origins and insertions of the hyoglossus?

Answer 14

origin - hyoid bone
insertion - lateral aspect of tongue

Question 15

what is the action of the hyoglossus?

Answer 15

depression and retraction of the tongue

Question 16

what is the innervation of the hyoglossus?

Answer 16

hypoglossal nerve

Question 17

what are the origins and insertions of the styloglossus?

Answer 17

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

Question 18

what is the action of the styloglossus?

Answer 18

retraction and elevation of the tongue

Question 19

what is the innervation of the styloglossus?

Answer 19

hypoglossal nerve

Question 20

what is the origin and insertion of the palatoglossus?

Answer 20

origin - palatine aponeurosis
insertion - broadly along the tongue

Question 21

what is the function of the palatoglossus?

Answer 21

elevation of the tongue

Question 22

what is the innervation of the palatoglossus?

Answer 22

vagus nerve

Question 23

what are the 4 extrinsic muscles of the tongue?

Answer 23

• palatoglossus
• styloglossus
• hyoglossus
• genioglossus

Question 24

what are the 3 intrinsic muscles of the tongue?

Answer 24

• superior and inferior longitudinal
• vertical
• transverse

Question 25

what is the innervation of the transverse tongue muscles?

Answer 25

hypoglossal (CN XII)

Question 26

what is the innervation of the vertical tongue muscles?

Answer 26

hypoglossal (CN XII)

Question 27

what is the innervation of the superior and inferior longitudinal?

Answer 27

hypoglossal (CN XII)

Question 28

what is the origin and insertion of the superior longitudinal?

Answer 28

apex to radix of tongue

Question 29

what is the action of the superior longitudinal?

Answer 29

shortens the tongue

Question 30

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

Answer 30

connects upper and lower surfaces of tongue

Question 31

what is the action of the vertical tongue muscles?

Answer 31

flattens the tongue

Question 32

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

Answer 32

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

Question 33

what is the action of the transverse tongue muscles?

Answer 33

narrows the tongue

Question 34

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

Answer 34

* lateral regions of tongue * contain taste buds

Question 35

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

Answer 35

* near terminal sulcus * contains taste buds

Question 36

what is the role of the fungiform papilla found?

Answer 36

small elevation that carries taste buds

Question 36

what is the role of the filiform papilla?

Answer 36

give roughness to the tongue

Question 37

which tongue papilla do not contain taste buds?

Answer 37

filiform papilla

Question 38

label these muscles

Answer 38

Question 39

label these muscles of the tongue

Answer 39

Question 40

label the tongue

Answer 40

Question 41

label these muscles of the tongue

Answer 41

Question 42

label the tongue papilla

Answer 42

Question 43

label this diagram of the tongue

Answer 43