Foramina Flashcards
what is in the supraorbital foramen or notch?
supraorbital n. of V1
supraorbital a. from opthalmic a.
what is in the zygomaticofacial foramen?
zygomaticofacial n. (V2)
what is in the infraorbital foramen?
infraorbital n. (V2)
what is in the mental foramen?
mental branch (V3)
what are the foramina of the skull from the anterior view?
supraorbital foramen or notch zygomaticofacial foramen infraorbital foramen mental foramen nasolacrimal canal optic canal superior orbital fissure inferior orbital fissure zygomaticoorbital foramen mandibular foramen
what is in the nasolacrimal canal?
nothing
what is in the optic canal?
optic n (CN II) ophthalmic a.
what is in the superior orbital fissure?
oculomotor n. (CN III) trochlear n. (CN IV) ophthalmic div of V (V1) abducent n. (CN VI) ophthalmic veins
what is in the inferior orbital fissure?
maxillary div of V (V2) (zygomatic and infraorbital nn.)
infraorbital vessels
what is in the zygomaticoorbital foramen?
zygomatic br. of V2
What is in the mandibular foramen?
inferior alveolar n. (V3)
inferior alveolar vessels
what are the foramen of the skull from the lateral view?
zygomaticotemporal foramen
sphenopalatine foramen
pterygomaxillary fissure
external acoustic meatus
what is in the zygomaticotemporal foramen?
zygomaticotemporal n. (V2)
what is in the sphenopalatine foramen?
nasopalatine nn.
sphenopalatine vessels
what is in the pterygomaxillary fissure?
maxillary a.
what is in the external acoustic meatus
nothing
what are the foramen of the skull from the basal view?
incisive foramen greater palatine foramen lesser palatine foramen foramen rotundum foramen ovale foramen spinosum carotid canal jugular foramen hypoglosal canal sylomastoid foramen internal acoustic meatus foramen magnum foramen lacerum pterygoid canal petrotympanic fissure hiatus of the facial canal cribriform plate of the ethmoid bone
what is in the incisive foramen?
sphenopalatine vessels
nasopalatine n. (V2)
what is in the greater palatine foramen?
greater palatine vessels
greater palatine n. (V2)
what is in the foramen rotundum?
maxillary division of V (V2)
what is in the foramen ovale?
mandibular div of V (V3)
lesser petrosal n. (often)
accessory meningeal a. (if present)
what is in the foramen spinosum?
middle meningeal a.
what is in the carotid canal?
internal carotid a.
internal carotid plexus of sympathetic nn.
what is in the jugular foramen?
inferior petrosal sinus to internal jugular vein sigmoid sinus to internal jugular vein glossopharyngeal n. (CN IX) vagus n. (CN X) spinal accessory n. (CN XI) ascending pharyngeal a.
what is in the hypoglossal canal?
hypoglossal n. (CN XII)
what is in the stylomastoid foramen?
facial n. (CN VII)
what is in the internal acoustic meatus?
facial n. (CN VII)
vestibulocochlear n. (CN VIII)
what is in foramen magnum?
medulla oblongata (inferior portion)
vertebral arteries
spinal accessory nn. (spinal root)
what is in foramen lacerum?
nothing
what is in pterygoid canal?
n. of pterygoid canal (vidian n.)
what is in petrotympanic fissure?
chorda tympani n.
what is in hiatus of the facial canal?
greater petrosal n.
what is in the cribiform plate of ethmoid bone?
olfactory nn. (CN I)