Osteology - foramina/apertures Flashcards
1
Q
Foramina in the middle cranial fossa?
A
- Optic canal
- Superior orbital fissure
- Foramen rotundum
- Foramen ovale
- Foramen spinosum
- Foramen lacerum
- Groove or hiatus of greater petrosal nerve
2
Q
Foramina in posterior cranial fossa?
A
- Foramen magnum
- Jugular foramen
- Hypoglossal canal
- Condylar canal
- Mastoid foramen
3
Q
Foramen cecum:
A
Nasal emissary vein (1% of population)
4
Q
Cribriform foramina in cribriform plate
A
Axons of olfactory cells in olfactory epithelium that form olfactory nerves
5
Q
Anterior and posterior ethmoidal foramen
A
Vessles and nerves with same names
6
Q
Optic canals
A
- Optic nerves (CN II)
- Opthalmic arteries
7
Q
Superior orbital fissure
A
- Opthalmic veins
- Opthalmic nerve (CN V1)
- Oculomotor nerve (CN III)
- Trochlear nerve (CN IV)
- Abducent nerve (CN VI)
- Sympathetic fibers
8
Q
Foramen rotundum
A
- Maxillary nerve (CN V2)
9
Q
Foramen ovale
A
- Mandibular nerve (CN V3)
- Accessory meningeal artery
10
Q
Foramen spinosum
A
- Middle meningeal artery and vein
- Meningeal branch of CN V3 (mandibular nerve)
11
Q
Foramen lacerum
A
- Deep petrosal nerve
- Some meningeal arterial branches and small veins
12
Q
Groove or hiatus of greater petrosal nerve
A
- Greater petrosal nerve
- Petrosal branch of middle meningeal artery
13
Q
Foramen magnum
A
- Medulla and meninges
- Vertebral arteries
- Spinal accessory nerve (CN XI)
- Dural veins
- Anterior and posterior spinal arteries
14
Q
Jugular foramen
A
- Glossopharyngeal nerve (CN IX)
- Vagus nerve (CN X)
- Superior bulb of internal jugular vein
- Inferior petrosal and sigmoid sinuses
- Menaingeal branches of ascending pharyngeal and occipital arteries
15
Q
Hypoglossal canal
A
- Hypoglossal nerve (CN XII)
