Pharynx Flashcards Preview

SP16 Anatomy Exam 2 > Pharynx > Flashcards

Flashcards in Pharynx Deck (48):
1

where does the pharynx extend from?

skull base to inferior border of cricoid cartilage (C6)

2

what are the 3 segments of pharynx

nasopharynx
oropharynx
laryngopharynx

3

what are the borders of oropharynx

soft palate and epiglottis

4

what are the borders of laryngopharynx

epiglottis to cricoid cartilage

5

what is the inferior border of the nasopharynx

soft palate

6

what is the connection between the pharynx and middle ear?

auditory tube orifice (eustachian or pharyngotympanic)

7

what is the cartilage of the auditory tube?

torus tubarius

8

what fold covers the salpingopharyngeus m

salpingopharyngeal fold

9

what are the 5 structures of the nasopharynx

auditory tube
torus tubarius
pharyngeal recess
pharyngeal tonsil
salpingopharyngeal fold

10

what is the groove along the lateral pharyngeal wall

pharyngeal recess

11

what is in between the two palatine arches

palatine tonsil

12

what covers the palatopharyngeus muscle

palatopharyngeal arch

13

what are the 3 structures of the oropharynx

palatoglossal arch
palatopharyngeal arch
palatine tonsil

14

what seals off oropharynx from nasopharynx when swallowing

palatopharyngeal sphincter

15

what constrictor is the palaopharygneal sphincter in?

superior constrictor

16

what are lateral gutters around thyroid cartilage?

piriform recess

17

what does the recurrent laryngeal nerve innervate

larynx muscles

18

what pierces thyrohyoid membrane

internal laryngeal n

19

what muscle is part of the inferior pharyngeal constrictor muscles

cricopharyngeus muscle

20

what bony landmark is relavent when determining inferior laryngeal vs recurrent laryngeal

cricothyroid joint

21

what does thyrocervical trunk branch off of

subclavian

22

what nerve is the motor for pharynx

CN X

23

what is a gutter for saliva?

pharyngeoepiglottic fold

24

what holds the Left and Right superior pharyngeal constrictor together

pharyngeal raphe

25

what does the pharyngeal raphe attach to

pharyngeal tubercle

26

what is the inferior extent of the inferior constrictor m

cricopharyngeus m

27

what is superior to the cricopharyngeus m

esophageus

28

what is sensory to the nasopharynx?

V2

29

what is sensory to the oropharynx?

IX

30

what is sensory to the larygnopharynx

X

31

what does the stylopharyngeus m arise from?

styloid process

32

what does the salpingopharyngeus m arise from?

auditory tube

33

what muscle is the anterior extent between orocavity and oropharynx

palatoglossus m

34

what makes up the tonsillar pillars?

palatopharyngeaus m
palatoglossus m

35

what is the anterior border of nasopharynx?

chonae

36

what is the anterior border of oropharynx?

palatoglossus m

37

what are the 3 longitudinal muscles

palatopharyngeus
stylopharyngeus
salpingopharyngeus

38

what are the actions of the constrictor muscles?

close down the opening

39

what artery supplies pharynx?

ascending pharyngeal a
ascending palatine a
facial a

40

what does CN X supply

motor to pharyngeal mm

41

what does CN IX supply

motor to stylopharyngeus m and SENSORY to pharynx

42

where does sympathetic nn come from

superior cervical ganglion

43

what does loss of pharynx lead to?

dysphagia (difficulty swallowing)

44

what does loss of sensory nn to pharynx lead to?

loss of gag reflex

45

what does large adenoids obstruct?

air flow to nose to nasopharynx

46

what are large pharyngeal tonsils referred as

adenoids

47

what location is known for choking hazard in pharynx?

piriform recess

48

what is underlying the mucosa at the piriform recess?

laryngeal nerves and vessels