Skull

Question 1

Neurocranium

Answer 1

Bony case of the brain and meninges

Question 2

Viscerocranium

Answer 2

Facial skeleton

Question 3

Name the three fossas of the calvaria (skullcap)

Answer 3

• Anterior cranial fossa
• Middle cranial fossa
• Posterior cranial fossa

Question 4

What are the pneumatized bones of the skull? (containing air spaces/cells/large sinuses)

Answer 4

• Frontal
• Ethmoid
• Sphenoid
• Temporal

Question 5

What are the 8 bones of the neurocranium?

Answer 5

• Singles centered on midline: frontal, ethmoidal, sphenoidal, occipital
• Pairs: Temporal, Frontal

Question 6

What are the two indicated structures in the picture?

Answer 6

1 - styloid process
2 - maastoid process

Question 7

What are the 15 irregular bones of the viscerocranium facial skeleton?

Answer 7

Singular: mandible, ethmoid, vomer
Paired: maxilla, inferior nasal concha, zygomatic, palatine, nasal, lacrimal

Question 8

Name the indicated bones in the picture

Answer 8

1 - Ethmoid
2 - Vomer
3 - Mandible
4 - Nasal
5 - Zygomatic
6 - Maxilla
7 - Inferior nasal concha

Question 9

What makes up the nasal septum?

Answer 9

• Perpendicular plate of the ethmoid bone (top)
• Vomer (bottom)

Question 10

Label the indicated structures from top to bottom

Answer 10

• Maxilla
• Zygomatic
• Palatine
• Vomer

Question 11

What are the components of the ethmoid bone?

Answer 11

• Crista galli
• Cribiform plate
• Perpendicular plate

Question 12

What bone is highlighted?

Answer 12

Palatine