foramen  

vessels  

nerves  

foramina of cribriform plate

-

olfactory nerve bundles (I)

optic canal

ophthalmic artery

optic nerve (II)

superior orbital fissure

superior ophthalmic vein
inferior ophthalmic vein

oculomotor nerve (III)
trochlear nerve (IV)
lacrimal, frontal and nasociliary branches of ophthalmic nerve (V1)
abducent nerve (VI)

foramen rotundum

-

maxillary nerve (V2)

inferior orbital fissure

inferior ophthalmic veins
infraorbital artery
infraorbital vein

zygomatic nerve and infraorbital nerve of maxillary nerve (V2)
orbital branches of pterygopalatine ganglion

foramen ovale

accessory meningeal artery

mandibular nerve (V3)
lesser petrosal nerve (occasionally)

foramen lacerum
(or carotid canal)

internal carotid artery

internal carotid nerve plexus

internal acoustic meatus

labyrinthine artery

facial nerve (VII)
vestibulocochlear nerve (VIII)

stylomastoid foramen

stylomastoid artery

facial nerve

jugular foramen

posterior meningeal artery
ascending pharyngeal artery
inferior petrosal sinus
sigmoid sinus
internal jugular vein

glossopharyngeal nerve (IX)
vagus nerve (X)
accessory nerve (XI)

hypoglossal canal

-

hypoglossal nerve (XII)

foramen magnum

vertebral arteries
meningeal branches of vertebral arteries

medulla oblongata
spinal roots of accessory nerves