Cranial Fossae Flashcards
1
Q
Anterior fossa
A
Cribriform plate
2
Q
Middle fossa
A
Optic canal Superior orbital fissure Foramen rotundum Foramen ovale Foramen spinosum Foramen lacerum
3
Q
Posterior fossa
A
Internal auditory meatus
Jugular foramen
Hypoglossal canal
Foramen magnum
4
Q
Cribriform plate
A
CN 1
5
Q
Optic canal
A
CN 2, opthalmic artery
6
Q
Superior orbital fissure
A
CNs 3, 4, 6, opthalmic nerve and veins
7
Q
Foramen rotundum
A
Maxillary nerve (V2)
8
Q
Foramen ovale
A
Mandibular nerve (V3)
9
Q
Foramen spinosum
A
Middle meningeal artery
10
Q
Foramen lacerum
A
Closed by cartilage
11
Q
Internal auditory meatus
A
CNs 7, 8
12
Q
Jugular foramen
A
CNs 9, 10, 11
13
Q
Hypoglossal canal
A
CN 12
14
Q
Foramen magnum
A
CN 11, spinal cord, vertebral arteries