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SHB Exam 2 > Nasal/Oral > Flashcards

Flashcards in Nasal/Oral Deck (56)
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1

Define the nasal vestibule.

Flared portion of the nose containing hair follicles

2

Define the respiratory region of the nose.

Largest part; contains the conchae

3

Define the olfactory region of the nose.

Superior portion of nose containing olfactory epithelium

4

What bones makeup the lateral wall of the nose?

Ant to post:
- Nasal bone
- Maxilla
- Lacrimal bone
- Ethmoid
- Inferior nasal concha
- Palatine bone (perpendicular plate)
- Sphenoid bone (med pterygoid plate)

5

What bones/cartilages makeup the nasal septum?

- Ethmoid (perpendicular plate; most sup)
- Vomer (inf)
- Cartilaginous septum

6

How does the nasal cavity communicate with the orbit?

Nasolacrinal duct

7

How does the nasal cavity communicate with the nasopharynx?

Choana

8

How does the nasal cavity communicate with the paranasal sinuses?

Meatal openings

9

How does the nasal cavity communicate with the anterior cranial fossa?

Cribriform plate and foramen cecum

10

How does the nasal cavity communicate with the pterygopalatine fossa?

Sphenopalatine foramen

11

How does the nasal cavity communicate with the oral cavity?

Incisive canal

12

What are the 4 sinuses of the head? (ant to post)

- Frontal (anteriorly, then)
- Ethmoidal (then)
- Sphenoidal (posterior)
- Maxillary (inf to ethmoidal sinus)

13

What is the name for the space beneath each concha?

Meatus

14

What 3 main aa supply the nasal cavity?

Ophthalmic, maxillary, facial aa.

15

Which a. do anterior and posterior ethmoidal aa. branch from?

Ophthalmic a.

16

Which a. does sphenopalatine a. branch from?

Maxillary a.

17

Which a. does superior labial a. branch from?

Facial a.

18

What cranial n. supplies most of the nasal cavity

CN V
(V1 and V2)

19

What is the "principal resident" of the pterygopalatine fossa (PPF)?

Pterygopalatine ganglion

20

What's running thru the roof of the PPF?

V2 thru foramen rotundum

21

What's running thru the lateral wall of the PPF?

Maxillary a. thru pterygomaxillary fissure

22

What's running thru the medial wall of the PPF?

Sphenopalatine a., lateral nasal n., nasopalatine n. run thru sphenopalatine foramen

23

What's running thru the anterior wall of the PPF?

Infraorbital n. (V2) runs thru inferior orbital fissure

24

What's running thru the posterior wall of the PPF?

N. and a. of the pterygoid canal run thru pterygoid canal

25

What's running thru the floor of the PPF?

Greater and lesser palatine nn., descending palatine a. come thru palatine canal

26

What area of the mouth is b/w the lower lip and lower gum?

Vestibule

27

What makes up the floor of the oral cavity?

Mylohyoid m.

28

What makes up the roof of the oral cavity?

Hard and soft palate

29

What makes up the anterolateral border of the oral cavity?

Teeth w/gingiva and alveolar processes

30

What makes up the posterior wall of the oral cavity?

Palatoglossal fold (beginning of oropharynx)