The Tongue and Salivary Glands

Question 1

the functions of the tongue are?

Answer 1

moving food during chewing
facilitating speech
swallowing

Question 2

Answer 2

Question 3

what are the three types of tongue papillae?

Answer 3

1. filiform
2. fungiform
3. vallate

Question 4

which papillae has taste buds present?

Answer 4

fungiform
vallate

Question 5

the dorsal surface of the posterior 1/3 of the tongue has surface elevations produced by submucosal lymphoid tissue. what are they called?

Answer 5

lingual tonsils

Question 6

name the fold of mucous membrane that fixes the tongue to the floor of the mouth

Answer 6

lingual frenulum

Question 7

Answer 7

Question 8

describe the general sensory innervation (touch, pain, temperature) of the tongue

Answer 8

anterior 2/3 - mandibular division of trigeminal nerve
posterior 1/3 - glossopharyngeal (IX) nerve.

Question 9

describe the special sensory innervation (taste) of the tongue

Answer 9

anterior 2/3 > chorda tympani branch of facial nerve
posterior 1/3 > glossopharyngeal (IX) nerve

Question 10

what are the four extrinsic tongue muscles called?
girl how sick prrr

Answer 10

genioglossus
hyoglossus
styloglossus
palatoglossus

Question 11

Answer 11

Question 12

action of genioglossus?

Answer 12

protrudes tongue to opposite side

Question 13

action of hyoglossus

Answer 13

depresses and retracts the tongue

Question 14

action of styloglossus

Answer 14

retracts and elevates the tongue

Question 15

action of palatoglossus

Answer 15

elevates the posterior aspect of the tongue

Question 16

what is the innervation of the extrinsic tongue muscles?

Answer 16

• hypoglossal nerve (XII) innervateS all the muscles EXCEPT for palatoglossus which has vagal innervation.

Question 17

what are the two parts of the submandibular gland?

Answer 17

superficial arm and deep arm

Question 18

which muscle seperates the superficial and deep arm of the submandibular salivary gland?

Answer 18

mylohyoid

Question 19

name the artery that grooves under the surface of the submandibular salivary gland

Answer 19

facial artery

Question 20

del

Answer 20

del

Question 21

where does the submandibular salivary duct open into?

Answer 21

the base of the frenulum bilaterally

Question 22

where do the ducts of the sublingual salivary gland lie?

Answer 22

on the floor of the oral cavity, underneath the tongue

Question 23

Answer 23