Bones of skull

Question 1

Neurocranium

Answer 1

Neurocranium: Ethmoid, Sphenoid, Occipital, Temporal, Parietals
Viscerocranium: Mandible, vomer, maxillae, zygomatic, nasal , inf. nasal concha
Both:?

Question 2

Anterior cranial fossa

Answer 2

Floor= frontal, ethmoid and lesser wings go sphenoid
Walls= frontal and lesser wings of sphenoid

contents:
Olfactory foramina in cribriform plate

Question 3

Middle cranial fossa

Answer 3

ANT: lesser wing of sphenoid
POS: petrous part of temporal bone

floor= sphenoid (greater wings) and temporal bones
walls= lat temporal (squamous part) and parietal bones, ant. sphenoid (lesser wings)
Post. petrous part of temporal bone

Superior orbital fissure
foramen rotundum
foramen ovale
foramen spinosum
carotid canal
optic canals

Question 4

Posterior Cranial fossa

Answer 4

floor= occipital bone, petrous part of temporal
post. occipital
ant. petrous part of temporal
lat. temporal and occipital

Openings:
foramen magnum
internal auditory meatus
jugular foramen
hypoglossal canal

Question 5

Temporal fossa

Answer 5

superior: temporal lines
ant: forntal and zygomtic
inferior: zygomatic arch