skull, meninges, dural sinuses, cranial vault Flashcards
attachments of falx cerebri
ant- crista galli
post- internal occipital protuberance continuous with tentorium cerebelli
attachments of tentorium cerebelli
internal occipital protuberance continuous w/falx cerebri
occpital bone at grooves for transverse sinus and petrosal ridge
clinoid processes of sphenoid
cavernous sinus
outer wall houses III, IV, V1, V2
inside internal carotid a, VI
receives sup opthalamic v, sphenoparietal sinus, cerebral vv, emissary vv
drains to sup and inf petrosal sinuses
basilar plexus
connects inf petrosal sinuses
receives anterior internal vertebral venous plexus
communicates w/marginal portion of occipital sinus
anterior menigeal a
br of ant ethmoid a from opthalmic a via internal carotid
supplies floor of ant cranial fossa
middle menigeal a
br of maxillary a,
enters cranial fossa via foramen spinosum
largest distribution of menigeal aa
all supratentorial dura except floor of ant cranial fossa
accessory meningeal a
br of maxillary
enters thru foramen ovale to supply middle cranial fossa
post meningeal aa
from ascending pharyngeal, occipital, and vertebral aa
trigeminal cranial vault
pain fibers floor of cranial vault and dural sinuses
middle and anterior fossae and supratentorial
vagus cranial vault
innervate dura of posterior cranial fossa
C1,2 cranial vault
follow CNXII thru hypoglossal canal to assist X in innervating posterior cranial fossa
superior sagittal sinus
receives emissary vv, cerebral vv, meningeal vv, diploic vv, CSF
inferior sagittal sinus
receives cerebral and meningeal vv
straight sinus
receives inf sagittal sinus and great cerebral v
sigmoid sinus
receives transverse sinus
receives superior petrosal at jnx with transverse
receives inferior petrosal at jnx with jugular bulb
