On the dry skull identify the bones of the nasal cavity and the locations of the paranasal sinuses

Question 1

Label this diagram of the bones of the nasal cavity

Answer 1

Question 2

What are the 4 paranasal sinuses?

Answer 2

1. Frontal sinus
2. Ethmoid air cells
3. Maxillary sinus
4. Sphenoid sinus

Question 3

Where is the maxillary sinus located?

Answer 3

• Just model it as like a roughly spherical area under the zygomatic arch
• See the OSPE book

Question 4

Where are the ethmoid air cells?

Answer 4

• See OSPE book

Question 5

Where is the sphenoid sinus located?

Answer 5

• The really visible one above and anterior to the sphenoid bone
• See OSPE book

Question 6

Where is the frontal sinus located?

Answer 6

• The one within the frontal bone at like the very front of the head where the forehead would be
• See OSPE book