(E4) 4 - Paranasal Sinuses

Question 1

What is the epithelium of the paranasal sinuses?

Answer 1

Question 2

What are the air-filled extensions of the respiratory part of the nasal cavity?

Answer 2

Paranasal Sinuses

Question 3

What 4 bones do the paranasal sinuses extend into?

Answer 3

• frontal
• ethmoid
• sphenoid
• maxilla

Question 4

What is this?

Answer 4

Frontal Sinuses

Question 5

Describe the drainage process of the frontal sinuses.

Answer 5

Question 6

Frontal Sinus Relationships: (Superior, Inferior, Anterior, Posterior and Medial)

Answer 6

Question 7

What two arteries supply the frontal sinuses?

Answer 7

Question 8

What is the innervation of the frontal sinuses?

Answer 8

Question 9

What is this?

Answer 9

Ethmoid Air Cells

Question 10

Describe the drainage process of the ethmoid air cells. (anterior, middle, and posterior)

Answer 10

Question 11

Ethmoid Air Cell Relations: (Superior, Lateral, and Medial)

Answer 11

Question 12

What arteries supply the ethmoid air cells?

Answer 12

Question 13

What is the innervation of the ethmoid air cells?

Answer 13

Question 14

Anterior Ethmoidal Artery - Origin

Answer 14

Ophthalmic Artery

Question 15

Supraorbital Artery - Origin

Answer 15

Ophthalmic Artery

Question 16

Supraorbital Nerve - Origin

Answer 16

Frontal Nerve (V1)
- Occassionally from supratrochlear nerve

Question 17

Anterior and posterior ethmoidal aa. - Origin

Answer 17

Ophthalmic A.

Question 18

Sphenopalatine Artery - Origin

Answer 18

Maxillary A.
- Via posterior lateral nasal
branches
- Form an anastomosis with
anterior and posterior
ethmoidal aa.

Question 19

Anterior and posterior ethmoidal nerves - Origin

Answer 19

Nasociliary Nerve (V1)

Question 20

Posterior lateral nasal nerve - Origin

Answer 20

Pterygopalatine Ganglion (V2)

Question 21

What is this?

Answer 21

Sphenoid Sinuses

Question 22

Drainage of sphenoid sinuses

Answer 22

Drain directly into the sphenoethmoidal
recess

Question 23

Sphenoid Sinus Relations: (Anterior, Superior, Inferior, Lateral and Medial)

Answer 23

Question 24

What arteries supply the sphenoid sinus?

Answer 24

Question 25

What supplies innervation to the sphenoid sinus?

Answer 25

Question 26

Orbital Branch (nerve) - Origin

Answer 26

- Pterygopalatine ganglion (V2) - More secretomotor function

Question 27

What is this?

Answer 27

Maxillary sinus

Question 28

Drainage of Maxillary Sinuses.

Answer 28

Semilunar hiatus via maxillary ostium

Question 29

Maxillary Sinus Relations: (Anterior, Posterior, Superior, Inferior, Lateral, Medial)

Answer 29

Question 30

What artery supplies the maxillary sinus?

Answer 30

Question 31

Superior Alveolar Artery - Origin

Answer 31

Question 32

What is the innervation of the maxillary sinus?

Answer 32

Question 33

Anterior Superior Alveolar Nerve - Origin

Answer 33

Infraorbital N. (V2)

Question 34

Middle Superior Alveolar Nerve - Origin

Answer 34

Infraorbital Nerve or Anterior Superior Alveolar Nerve (V2)

Question 35

Why is the cavernous sinus prone to infections?

Answer 35

Question 36

Location of cavernous sinus infections

Answer 36

Lies on either side of the sella turcica

Question 37

Anatomical Relationships to the Cavernous Sinus

Answer 37

Question 38

Clinical Manifestations of spenoid tumors

Answer 38

Question 39

Tumor treatment

Answer 39

Question 40

Sinus Lift and Goal

Answer 40

Question 41

Sinus Lift Procedure

Answer 41

Question 42

Slide - Maxillary Implants

Answer 42

Question 43

Sinusitis - Causes, Types and Clinical Manifestations

Answer 43

Question 44

Acute Sinusitis Cause

Answer 44

Question 45

Chronic Sinusitis Types and Treatment

Answer 45

Question 46

Caldwell-Luc Procedure - What is it, Procedure and Conditions Treated

Answer 46

Question 47

Locations for Sinusitis

Answer 47