Skull Flashcards
What is one of the thinnest points of the skull? Why is this clinically relevant?
Pterion - middle meningeal a runs beneath this and can cause a brain bleed if you are struck in the head here
What attaches to the frontal crest?
Falx cerebri (protective connective tissue for brain)
What attaches to the superior and inferior temporal lines of the parietal bone?
Muscles of mastication
What are the sutures of the skull?
Coronal (frontal/parietal), sagittal (parietal bones), lambdoid (parietal/occipital), squamous (temporal/parietal)
What are the cranial fossae?
Anterior cranial fossa, middle cranial fossa, posterior cranial fossa
What foramen does CN I go through?
Cribriform plate
What foramen does CN II go through?
Optic canal
What foramen does CN III go through?
Superior orbital fissure
What foramen does CN IV go through?
Superior orbital fissure
What foramen does CN V1 go through?
Superior orbital fissure to the supraorbital foramen
What foramen does CN V2 go through?
Foramen rotundum to infraorbital foramen
What foramen does CN V3 go through?
Foramen ovale to mental foramen
What foramen does CN VI go through?
Superior orbital fissure
What foramen does CN VII go through?
Internal auditory meatus
What foramen does CN VIII go through?
Internal auditory meatus
