Head-Foramen, fossa, etc Flashcards
(21 cards)
Supraorbital foramen
supraorbital nerve (cn v1-opthalmic) and vessels
infraorbital foramen
infraorbital nerve (cn v2-maxillary) and vessels
mental foramen
mental nerve (cn v3-mandibular) and vessels
foramen for emissary vein
emissary veins -parietal bones
mastoid foramen
emissary vein, meningeal branch of occipital artery
foramen magnum
medulla oblongata, spinal cord, vertebral arteries/nerve plexuses, anterior/posterior spinal arteries, accessory N roots
Jugular foramen
internal jugular vein, glossopharyngeal n, vagus n, accessory N
stylomastoid foramen
facial N, stylomastoid a.
Foramen Ovale
mandibular n (cn v3), lesser petrosal n (cnix)
foramen spinosum
middle meningeal a
carotid canal
internal carotid a and nerve plexus
hypoglossal canal
hypoglossal n
foramen rotundum
maxillary n (cn v2)
internal auditory meatus
facial n, vestibulocochlear n
muscles of infratemporal fossa
lower temporalis and lateral/medial pterygoid muscles
vessels of infratemporal fossa
external carotid branches into superficial temporal and maxillary. Includes maxillary branches: inf/sup alveolar, buccal, deep temporal, middle meningeal
veins of infratemporal fossa
pterygoid venous plexus
nerves of infratemporal fossa
Mandibular nerve and branches: auriculotemporal n, deep temporal, inf alveolar, lingual, buccal, nerve to mylohyoid, chorda tympani, otic ganglion (post gang psns to parotid,
How does the infratemporal fossa communicate with the temporal fossa?
via passage through zygomatic arch
Hows does the pterygopalatine fossa communicate with the infratemporal fossa and orbit?
directly via infraorbital fissure
Superior orbital fissure
CN3, CN4, Opthalmic N (cn v1) CN 6
