Cranial Foramina Flashcards
1
Q
Anterior Cranial Fossa Contents
A
- Foramen cecum
- Cribiform foramina in cribiform plate
- Ant/ Post ethmoidal foramina
2
Q
Middle Cranial Fossa Contents
A
- Optic canals
- Superior orbital fissure
- Foramen rotundum
- Foramen ovale
- Foramen spinosum
- Foramen lacerum
- Groove/ hiatus of greater petrosal n.
3
Q
Posterior Cranial Fossa Contents
A
- Foramen magnum
- Jugular foramen
- Condylar canal
- Mastoid foramen
4
Q
Cribiform foramina in cribiform plate
A
axons of olfactory cells in olfactory epithelium that forma olfactory nerves
5
Q
superior orbital fissure
A
ophthalmic veins; ophthalmic n. (CN V1); CN III, IV, and VI; sympathetic fibers
6
Q
foramen rotundum
A
maxillary n. (CN V2)
7
Q
foramen ovale
A
mandibular n. (CN V3) and accessory meningeal a.
8
Q
foramen magnum
A
medulla and meninges, vertebral arteries, CN XI, dural veins, ant/ post spinal arteries
9
Q
jugular foramen
A
CN IX, X, and XI; superior bulb of internal jug. vein; inferior petrosal and sigmoid sinuses; meningeal branches of ascending pharyngeal a.