Skull foramina and cranial nerves Flashcards
What are the first 3 cranial nerves in order ?
Olfactory
optic
oculomotor
Which bone contains the optic canal ?
sphenoid bone
What does the optic canal transmit ?
optic nerve (II) opthalmic artery
What bone is the cribriform plate part of ?
the ethmoid bone
What does the cribriform plate transmit ?
the olfactory bulbs
What does the superior orbital fissure transmit ?
v1 (opthalmic division of the trigeminal) Oculomotor (III) Trochlear (IV) Abducens (VI) Opthalmic vein
What bone contains Fo. Rotundum ?
Sphenoid bone
What does foramen rotundum transmit ?
Maxillary division of the trigeminal v2
What bone contains the foramen ovale ?
sphenoid bone
What does foramen ovale transmit ?
mandibular division of the trigeminal v3
What does fo. Spinosum transmit ?
middle meningeal artery and the vein
What does the stylomastoid foramen transmit ?
the facial nerve
Which bone contains the stylomastoid foramen ?
temporal bone
where is the jugular foramen ?
between the occipital and the petrous part of the temporal bone
What does the jugular foramen transmit ?
the internal jugular vein
spinal accessory (XI)
vagus (X)
glossopharyngeal (IX)
Which bone contains the carotid canal ?
the temporal bone
What does the carotid canal transmit ?
internal carotid artery
Where is the hypoglossal canal ?
in the occipital condyles
What does the hypoglossal canal transmit ?
hypoglossal nerve (XII)
Which bone is the foramen magnum in ?
occipital bone
What does the foramen magnum transmit ?
the vertebral artery
the spinal chord
spinal accessory (XI)
What is the XIIth CN ?
hypoglossal
What is the VIth CN ?
Abducens
What is the Vth CN ?
trigeminal
