Holes Flashcards
Optic canal
. CN II
. Opthalmic artery (branch of ICA)
* no paired vein!
Superior orbital fissure
. CN III
. CN IV
. CN V1 (opthalmic)
. CN VI
. Superior opthalmic vein
. Branch from the sympathetic nerve plexus (sym/post) that wraps around the ICA
. Orbital arteries/veins (branches of the middle meningeal artery)
Supraorbital foramen
. Supraorbital NAV
. nerve = branch of frontal nerve of CN V1
. artery = branch of opthalmic artery
. vein = drains into superior opthalmic vein
Zygomaticofacial foramen
. Zygomaticofacial nerve (branch of zygomatic nerve of CN V2)
Inferior Orbital Fissure
. Infraorbital NAV . nerve = (branch of CN V2) . artery = (branch of maxillary artery) . vein = (tributary of maxillary vein) . Zygomatic nerve (branch of CN V2) . Orbital nerves (branches of CN V2)
Infraorbital groove
. Allows passage of neurovasculature to and from the infraorbital foramen . Infraorbital NAV . nerve = branch of V2 . artery = branch of maxillary artery . vein = tributary to maxillary vein
Infraorbital foramen
. Infraorbital NAV
. nerve = branch of CN V2
. artery = branch of maxillary artery
. vein = tributary to maxillary vein
Mental foramen
. Mental NAV
. nerve = branch of inferior alveolar nerve of V3
. artery = branch of inferior alveolar artery
. vein = tributary to inferior alveolar vein
Mandibular foramen
. Inferior alveolar NAV
. nerve = branch of CN V3
. artery = branch of maxillary artery
. vein = tributary to maxillary vein
Incisive fossa/foramen
. Communication between nasopalatine and greater palatine nerves (CN V2 branches)
. Anastomosis between sphenopalatine and greater palatine arteries
Greater palatine foramen
. Greater palatine NAV
. nerve = branch of CN V2
. artery = branch of maxillary artery
. vein = tributary to maxillary vein
Lesser palatine foramen
. Lesser palatine NAV
. nerve = branch of CN V2
. artery = branch of maxillary artery
. vein = tributary to maxillary vein
Pterygoid canal
. Vidian nerve
. Artery of pterygoid canal (branch of maxillary artery)
Petrotympanic fissure
. Chorda tympani nerve (branch of CN VII)
Carotid canal
. ICA
. sym/post fibers from the internal carotid plexus
Stylomastoid foramen
. Motor root of CN VII
. Stylohyoid branch of occipital artery/vein
Anterior ethmoidal foramen
. Anterior ethmoidal NAV
. nerve = branch of nasociliary nerve of CN V1
. artery = branch of opthalmic artery
. vein = tributary to opthalmic vein
Posterior ethmoidal foramen
. Posterior ethmoidal NAV
. nerve = branch of nasociliary nerve of CN V1
. artery = branch of opthalmic artery
. vein = branch of opthalmic vein
Foramen cecum
. Nasal emissary vein (between nasal cavity and superior sagittal sinus)
Foramen lacerum
. Nothing passes through here
. The deep petrosal (sym/post) and greater petrosal nerves (para/pre, ss-taste from soft palate) pass above it before entering the pterygoid canal
Foramen rotundum
Maxillary nerve (CN V2)
Foramen spinosum
. Middle meningeal artery/vein (branch of maxillary artery/vein)
. Meningeal branch of CN V3
Foramen ovale
. Mandibular nerve (CN V3)
. Lesser petrosal nerve (originates from tympanic plexus which is associated with CN IX to deliver para/pre fibers to the otic ganglion)
. Accessory meningeal artery/vein (from Maxillary artery/vein)
Internal acoustic meatus
. CN VII (facial)
. CN VIII (vestibulocochlear)
. Internal auditory artery (branches from AICA or basilar arteries)
. Internal auditory vein
Hypoglossal canal
CN XII (hypoglossal)
Foramen magnum
. Vertebral arteries (branch of subclavian artery)
. Anterior spinal artery (branch of vertebral artery)
. Posterior spinal arteries (branch of vertebral artery)
. Spinal portion of CN XI
. Spinomedullary junction
. Meninges
. Ligaments associated with the craniovertebral joints
Jugular foramen
. CN IX (glossopharyngeal) along with its superior and inferior ganglion
. CN X along with its superior ganglion
. CN XI
. Beginning of IJV (where sigmoid + inferior petrosal sinuses meet)
. Meningeal branch of ascending pharyngeal and occipital artery
