Loading....
Coupon Accepted Successfully!

ENT

Open Flashcards

Diseases of PNS

Question
1 out of 38
 

Which sinus is NOT a part of paranasal sinus? [LQ]



A Frontal
B Ethmoid

C Sphenoid
D Pyriform

Ans. D Pyriform Ref. Dhingra 5th/ed p201

Paranasal sinuses are air containing cavities in certain bones of skull. They are four on each side. Clinically, paranasal sinuses have been divided into two groups.

Anterior group

Posterior group

It includes:

- Maxillary sinus

- Frontal sinus

- Anterior ethmoidal sinus

It includes:

- Posterior ethmoidal sinus (opens in superior meatus)

- Sphenoid sinus (opens in sphenoethmoidal recess)

Note

All of them open In the middle meatus.

Diseases of PNS Flashcard List

38 flashcards
1)
2)
3)
4)
5)
6)
7)
8)
9)
10)
11)
12)
13)
14)
15)
16)
17)
18)
19)
20)
21)
22)
23)
24)
25)
26)
27)
28)
29)
30)
31)
32)
33)
34)
35)
36)
37)
38)