Skull: Foramen and Contents Flashcards
foramen cecum
nasal emissary vein
cribriform plate
CN I - olfactory nerve
ethmoid bone
anterior ethmoidal foramen
anterior ethmoidal artery, vein, nerve
seen near cribriform and inside nose
posterior ethmoidal foramen
posterior ethmoidal artery, vein nerve
seen near cribriform and inside nose
optic canal
CN II
opthalamic artery
superior orbital fissure
CN III, IV, V -1, VI
3, 4, 5-1, 6
superior opthalmic vein
foramen rotundum
CN V2
close to the superior orbital fissure
and exits into nasal cavity
foramen ovale
CN V3
accessory meningeal artery
foramen spinosum
middle meningeal artery
recurrent meningeal nerve (V3)
seen from inferior and superior
hiatus for greater petrosal nerve
greater petrosal nerve
-branch of CN VII
-petrosal branch of middle meningeal artery
hiatus for lesser petrosal nerve
lesser petrosal nerve
-branch of the CN IX
internal acoustic meatus
CN VII, VIII
7,8
internal labryninthine artery
jugular foramen
CN IX, X, XI
9, 10, 11
sigmoid sinus
inferior petrosal sinus
internal jugular vein
posterior meningeal branches of occipital artery
ascending pharyngeal artery
3 2 2 1
nerve sinus artery vein
“sip sinuses”
“pmoap arteries”
mastoid foramen
mastoid emissary vein
condyloid canal
condyloid emissary vein
seen posterior to occipital condyle and inside skull
foramen magnum
spinal cord spinal roots of CN XI vertebral arteries anterior and posterior spinal arteries dural veins