Nasal Cavity & Paranasal Sinuses Flashcards Preview

SP16 Anatomy Exam 2 > Nasal Cavity & Paranasal Sinuses > Flashcards

Flashcards in Nasal Cavity & Paranasal Sinuses Deck (35):
1

what is the posterior openings of the nasal cavities into the nasopharynx

choanae

2

what is the epithelium of the nasal cavity

ciliated pseudostratified epithelium

3

what is the floor of the nasal cavity

maxilla
palatine

4

what are the posterior bony structures of the nasal cavity

perpindicular plate of the ethmoid
vomer

5

what is the superior bone of the nasal cavity

perpendicular plate of the ethmoid

6

what are under all of the conchaes

meatuses

7

what is the only conchae that is an individual bone

inferior conchae

8

what is the job for the airway to the lungs

warming air

9

what are the paranasal sinuses

maxillary sinus
frontal sinus
ethmoidal air cells
sphenoidal sinus

10

where do all the sinues drain into?

nasal cavity

11

what is the pathway of drainage for the frontal sinus

frontonasal duct --> infundibulum --> semilunar hiatus --> middle meatus

12

where does the anterior ethmoidal air cell drain into

middle meatus

13

where does the middle ethmoidal air cells drain into?

ethmoidal bulla

14

what are the boundaries of the maxillary sinus?

superior: orbit
medial: nasal cavity
lateral: infratemporal fossa

15

what is the opening into the maxillary sinus called?

maxillary ostuim

16

where will you find maxillary ostium?

inferior to ethmoidal bulla

17

what happens if you need to drain the maxillary sinus?

create an artificial opening

18

where could an infection of a maxillary tooth do?

spread into the sinus

19

what could an extraction of a tooth do to the maxillary sinus?

tear the membrane

20

where is the opening of the sphenoid sinus at?

sphenoethmoidal recess

21

what does the tendon of the levator palpebrae superioris muscle do

opens eye

22

what is the drainage of the lacrimal gland?

duct --> lacrimal lake --> lacrimal canaliculi --> lacrimal sac --> nasolacrimal duct --> inferior meatus

23

what nerves come off of nasocillary

anterior and posterior ethmoidal nn

24

what does the anterior ethmoidal branch supply

anterior septum and lateral wall

25

what does the posterior ethmoidal branch supply

posterior septum and lateral wall

26

what does the sphenopalatine branch supply

lower septum and lateral wall

27

what are the 2 branches of the sphenopalatine

posterior septal
posterior lateral nasal

28

what is the area with nose bleeds and has all the vasculature

kisselbach's area

29

what are the 3 places that the venous drain nasal cavity

facial
pterygoid plexus
cavernous sinus

30

where is special sensory from?

olfactory nerve

31

where are the parasympathetics from FOR PARANASAL SINUS?

greater petrosal: CN VII

32

where are the sympathetics from FOR PARANASAL SINUS

deep petrosal: ICA

33

what provides general sensation FOR PARANASAL SINUS?

V2

34

CN V1 sensory nerve?

Nasociliary

35

V2 sensory nerves? (5)

infraorbital
nasopalatine
anterior sup alveolar
posterior superior/inferior lateral nasal n