week 7 lab Flashcards
what must the spinal nerves cross to reach the intervertberal foramin
epidural space
what does the epidural space contain
fat and blood vessels
subdural space
beneath dura mater and only present after death
what runs out when you split the dura mater in real life
CSF because it is contained in the subarachnoid space
leptomeninges
between arachnoid and pia mater
the dural sheath along hte nerve splits at the IV foramen and the outer part of the connective tissue sheat does what
fuses with the vertberal canal and periosteum at the IVv foramen
somewhere along the nerve before it exits the IV foramen, the ______ fuse with the internal dural sheath and also become continuous with epineurium
arachnoid and pia
dentate ligaments
spot weld thickenings of pia
spinal cord segments
where the rootless attach
the spinal cord begins to taper from ____ caudally
L4
the tapering caudal few inches of the spinal cord is termed
conus medullaris
cervical and lumbar intumescences
where the spinal cord enlarges
filum terminale
terminal end of spinal cord where the pia and rachnoid fuse
caudal ligament
where the filum terminale fuses with the dura
cauda equina
caudally streaming nerve rootlets