Skull Osteology Flashcards
1
Q
cribriform plate
A
olfactory nerve bundles (CN I)
2
Q
optic canal
A
Optic Nerve (CN II) Ophthalmic artery
3
Q
superior orbital fissure
A
- Oculomotor Nerve (CN III)
- Trochlear N (CN IV)
- Trigeminal N, ophthalmic branch (CN V,1) : lacrimal, frontal, nasociliary branches
- Abducens N (CN VI)
- Superior ophthalmic vein
4
Q
foramen rotundum
A
Trigeminal N., Maxillary branch (CN V,2)
5
Q
foramen ovale
A
- Trigeminal N., Mandibular branch (CN V,3)
- Accessory meningeal artery
- lesser petrosal n (occasionally)
6
Q
foramen spinosum
A
- middle meningeal a/v
- meningeal branch of mandibular n (CN V,3)
7
Q
foramen lacerum
A
greater petrosal nerve crosses this space
8
Q
carotid canal
A
- internal carotid artery
- internal carotid nerve plexus
9
Q
internal acoustic meatus
A
- Facial N (CN VII)
- Vestibulocochlear N (CN V VIII)
- labyrinthine a
10
Q
jugular foramen
A
- inferior petrosal venous sinus
- Glossopharyngeal N (CN IX)
- Vagus N (CN X)
- Accessory N (CN XI)
- sigmoid venous sinus
- posterior meningeal artery
11
Q
hypoglossal canal
A
- Hypoglossal N (CN XII)
12
Q
foramen magnum
A
- medulla oblongata
- meninges
- vertebral arteries
- meningeal branches of vertebral arteries
- spinal roots of accessory nerves
13
Q
what bones make up the orbit?
A
- orbital plate of frontal bone
- greater wing of sphenoid
- lesser wing of sphenoid
- orbital plate of ethmoid bone
- lacrimal bone
- orbital plate of maxilla
- orbital plate of zygomatic bone
14
Q
sutures of the palate (and the bones forming them)
A
Medial palatine suture: btwn 2 palatine processes of maxilla
Transverse palatine suture: btwn horizontal plate of palatine bone and palatine process of maxilla
15
Q
bregma
A
- on top of head
- where sagittal suture meets coronal suture
