Foramina and Canals of the Skull and Mandible

Cribriform Plate

olfacotry never CN1
Optic foramen (optic canal)

optic nerve CN2
Superior Orbital fissure

oculomoter (III), trochlear (IV), and abducens (VI)....ophthalmic division of trigeminal nerve (V1); ophthalmic artery
supraorbital formen (notch)

supraorbital nerve of V1; supraorbital artery
foramen rotundum

maxillary division of trigeminal nerve (V2)
infraorbital formen

infraorbital nerve of V2; infraorbital artery
formen ovale

mandibular division of trigeminal nerve V3
mandibular foramen and mandibular canal

inferior alveolar nerve (branch of V3); inferior alveolar artery
mental foramen
- mental nerve
- mental artery
internal acoustic meatus
- facial nerve (CNVII)- enters temporal bone
- vestibulocochlear nerve (CNVIII)
stylomastoid foramen

facial nerve (VII)- exits temporal bone
jugular foramen

glossopharyngeal nerve (CNXI), Vagus nerve (X), accessory nerve (XI); sigmoid sinus becomes internal jugular vein
Hypoglossal canal

Hypoglossal nerve (CNXII)
foramen magnum

spinal cord, vertebral arteries
formen spinosum

middle meningeal artery
carotid canal

internal carotid artery
foramen lacerum

filled with carilage; nothing passes through it
nasolacrimal canal

(for drainage of tears from eye to nasal cavity)
external acoustic meatus

(external ear canal)

Author

mem9992

101435

Card Set

Foramina and Canals of the Skull and Mandible

Description

foramina and canal of the skill and mandible and what associated nerve and/or blood vessel goes through

Updated

2011-09-13T12:46:22Z