foramina of the skull Flashcards
hypoglossal canal
hypoglossal n (CN12)
foramen cecum bone
frontal/ethmoid
mental foramen
mental n and vessels
incisive foramen bone
maxilla
posterior superior alveolar foramina bone
maxilla
jugular foramen bone
occipital/temporal
zygomaticotemporal foramen
zygomaticotemporal n and vessels
lesser palatine foramen bone
palatine
internal acoustic meatus bone
temporal
supraorbital foramen
supraorbital n and vessels
optic foramen and canal
- optic n (CN2)
- opthalmic a
jugular foramen
- glossopharyngeal n (CN9)
- vagus n (CN10)
- accessory n (CN11)
- internal jugular vein
condylar canal
emissary v
mental foramen bone
mandible
mandibular foramen bone
mandible
posterior superior alveolar foramina
posterior superior alveolar n and vessels
lesser palatine foramen
lesser palatine n and vessels
stylomastoid foramen bone
temporal
greater palatine foramen bone
palatine
cribriform foramina (plate)
- olfactory n (CN1)
- posterior ethmoidal a
foramen lacerum bone
sphenoid/temporal/occipital
inferior orbital fissure
- infraorbital n and vessels
- zygomatic n
- orbital branches
- inferior ophthalmic v
hypoglossal canal bone
occipital
foramen lacerum
- inferior aspect is filled with cartilage
- superior aspect: internal carotid a; sympathetic nerve plexus
pterygoid canal bone
sphenoid
zygomaticofacial foramen bone
zygomatic
petrotympanic fissure bone
temporal
greater palatine foramen
greater palatine n and vessels
superior orbital fissure bone
sphenoid
pterygoid canal
nerve and vessels of the pterygoid canal
foramen ovale bone
sphenoid
incisive foramen
nasopalatine n and vessels
cribriform foramina (plate) bone
ethmoid
foramen ovale
- mandibular n (CNV-3)
- lesser petrosal n
- accessory meningeal a
optic foramen and canal bone
sphenoid
petrotympanic fissure
- chorda tympani n
- anterior tympanic a
carotid canal bone
temporal
foramen rotundum
maxillary n (CNV-2)
internal acoustic meatus
- vestibulocochlear n (CN8)
- facial n (CN7)
- labyrinthine vessels
supraorbital foramen location
frontal
inferior orbital fissure bone
sphenoid/maxilla
foramen spinosum
- middle meningeal a
- meningeal n
zygomaticotemporal foramen bone
zygomatic
foramen spinosum bone
sphenoid
mandibular foramen
inferior alveolar n and vessels
stylomastoid foramen
facial n (CN7)
foramen cecum
a blind opening, transmits emissay v from nasal cavity in fetal life
carotid canal
- internal carotid a
- sympathetic nerve plexus
zygomaticofacial foramen
zygomaticofacial n and vessels
condylar canal bone
occipital
foramen rotundum bone
sphenoid
superior orbital fissure
- oculomotor n (CN3)
- trochlear n (CN4)
- lacrimal n, frontal n, and nasociliary n CNV-1)
- abducent n (CN6)
- superior ophthalmic v