mouth and pharynx anatomy Flashcards Preview

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Flashcards in mouth and pharynx anatomy Deck (23):
1

which is most anterior? hard or soft palate?

hard

2

major 3 salivary glands?

parotid
submandibular
sublingual

3

which duct corsses masseter, pierces medially through buccintaor ?

parotid duct

4

where is the submandicular duct?

deep to mucosa of mouth floor. opens on sublingula papillae

5

where is the sublingual glands?

deep to mucosa on floor of mouth (under tongue)

6

what gives parasympathetic innervation to parotid?

CN IX glosoopharyngeal

7

sensory innervation to parotid?

articulotemporal nerve from mandibular branch of trigeminal nerve

8

general sensory to anteriro 2/3rd tongue?

CN V3

9

special sensory to anterior 2/3rd tongue

facial

10

general and special sensory to posterior 1/3rd tongue

CN IX -glossopharyngeal

11

extrinsic tongue muscles?

genioglossus
hypoglossus
styloglossus
palatoglossus

12

course of hypoglossal nerve?

rootlets attach to medulla]passes through hypoglossaal canal in occiptial bone
descend in neck lateral to carotid sheath
supplies most muscles of tongue

13

how do you clinically test the hypoglossal nerve?

ask patient to stick out tongue.

if unilateral damage the tongue tip will point to the damaged side

14

blood supply to tongue

lingual artery

15

what are the 5 pairs of muscle of the soft palate?

right anf left:

levator veli palatini
tensor veli palatini
palatoglossus
musculis uvulae
palatopharyngeus

16

what supplies levator veli palatini

palatoglossus
musculis uvulae
palatopharyngeus

vagus

17

what supplies tensor veli palatini?

CN V3

18

how do you clinically test CN X and CN V3/

ask patient to say ahh.
if unilateral damage uvula will point to good side

19

what nerve innervates the constcrictor muscles of pharynx?

vagus

20

name the longitudinal pharynx muscles?

stylopharyngeus
palatophayrngeus
salpingpharyngeus

21

what do the longitudinal muscles of pharynx do?

elevate pharynx and larynx

22

what innervates the longitudinal muscles of pharynx?

vagus

23

difference between an infected lymph node and malignancy?

infection- swollen sore, soft, smooth, not fixed

cancer-swollen, not sore, hard, irregular, fixed