Cavities

Question 1

What structures make up the medial wall of the orbital cavity?

Answer 1

Frontal process of the maxilla
Lacrimal bone
Orbital plate of ethmoid bone
Lesser wing of sphenoid bone
(frontal orbital plate)

Question 2

What foraminas is found in the orbital cavity?

Answer 2

Inferior orbiral fissure
Optic canal
Superior orbital fissure
Supraorbital notch
Frontal notch
Nasolacrimal canal
Anterior ethmoidal foramen
posteror ethmoidal foramen
Zygomatico-orbital foramen

Question 3

What foraminas is found in the nasal cavity?

Answer 3

1. Sphenopalatine foramen
2. Incisive foramen
   3.

Question 4

What foraminas is found in the oral cavity?

Answer 4

The lesser palatine foramina.
The greater palatine foreamen
Incisive foramen

Question 5

What passes through the inferior orbital fissure and where does it end?

Answer 5

Inferior branch of inferior optalamic vein
Infraorbital nerve, artery and vein.
Zygomatic nerve.

Ends up laterally into the (infratemporal fossa)
Ends up medially into the pterygopalatine fossa

Question 6

What passes through the supraorbital notch and where does it end up?

Answer 6

Supraorbital nerve, artery and vein.

Ends up in the forehead area.

Question 7

What passes through the frontal notch and where does it end up?

Answer 7

Supratrochlear nerve, artery and vein.

Ends up in the forehead area.

Question 8

What passes through the nasolacrimal canal and where does it end up?

Answer 8

The nasolacrimal duct.

It ends up in the nasal cavity.

Question 9

What passes through the anterior ethmoidal foramen and where does it end up?

Answer 9

Anterior ethmoidal nerve, artery and veins.

Question 10

What passes through the posterior ethmoidal foramen and where does it end up?

Answer 10

The posterior ethmoidal Nerve, artery and vein.

It ends up in the posterior ethmoidal cells and sphenoid sinus.

Question 11

What passes through the zygomatico-orbital foramen ad where does it end up?

Answer 11

The zygomatic nerve.

It ends up in the zygomatic canal.

Question 12

Where does the superior nasal meatus origin and where does it go to?

Answer 12

From behind superior nasal concha.

Drains into the Posterior ethmoidal sinus

Question 13

Where does the middle nasal meatus origin and where does it go to?

Answer 13

From behind the middle nasal concha.

To the maxillary sinus
To the frontal sinuses
To the anterior ethmoidal sinus

Question 14

Where does the inferior nasal meatus origin and go to?

Answer 14

From behind the inferior nasal concha.

To the nasolacrimal duct.

Question 15

What goes through the sphenopalatine foramen and where does it go to?

Answer 15

The sphenopalatine Nerve, artery and vein.

Goes to the pterygopalatine fossa.

Question 16

What passes through the incisive foramen and where does it go to?

Answer 16

The incisive nerve, artery and vein

It goes to the oral cavity.

Question 17

What goes through the lesser palatine foramen and what does it go to?

Answer 17

The lesser palatine nerve, artery and vein.

Goes to the pterygopalatine fossa.

Question 18

What goes through the greater palatine foramen and where does it go?

Answer 18

The greater palatine nerve, artery and vein.

Goes to the pterygopalatine fossa.

Question 19

Where does the sphenoethmoidal recess drain into?

Answer 19

To the sphenoid sinus

Question 20

Where does the frontal sinus drain into?

Answer 20

The nasal cavity

Question 21

There does the sphenoid sinus drain into?

Answer 21

Roof of nasal cavity

Question 22

Where does the ethmoidal sinuses drain into?

Answer 22

Anterior –> Hiatus semilunaris
Middle –> Ethmoidal bulla
Posterior –> Superior meatus