Endocranial Base

Question 1

Which bones can we see in this view

Answer 1

Frontal, Temporal left and right, Sphenoid, Ethmoid, Occipital and small part of the Parietal

Question 2

What are the three sections the base is split into

Answer 2

Anterior Fossa, Middle Fossa and Posterior Fossa

Question 3

What features can we see across the Anterior Fossa

Answer 3

Orbital roof, frontal crest, foramen caecum, crista galli, cribriform plate, Ethmoid

Question 4

What features can we see across the Sphenoid

Answer 4

Chiasmic groove, anterior clinoid processes, posterior clinoid process, dorsum sallae, superior orbital fissure, Pituitary fossa, optic canal, Lacerium, ovale, spinosum and rotundum

Question 5

What can we see around the Forman Magnum in this view

Answer 5

Hypoglossal canals, superior and inferior petrosal sinus, Petrous ridge, jugular foramen, mastoid foramen. condylar canal,

Question 6

What can we see under the Foramen Magnum in this view

Answer 6

Groove for transverse sinus, Internal occipital crest, internal occipital tuberance and groove for superior sagittal sinus