Spinal cord Flashcards
spinal cord ends and what spinal level?
l2
what do the dorsal and ventral roots exit at as at their appropriate veretebral levels?
lower lumbar, sacral coccygeal spinal nerves
how far down does the dura mater extend? and the arachnoid mater?
to the second sacral veretebrae
where is the preferred site to withdraw fluid for a spinal tap?
wehre is the needle introduced?
lumbar cistern (subarachnoid space between l2 and s2)
its the preferred spot because the spinal cord is absent and nerve roots are the cauda equina are mobile
needle is introduced between l3 and l4 or l4 and l5
*children between l4/l5 since spinal cord may be inferior

vertebral body

vertebral pedicle

lamina


transverse process

superior articular process

spinous process

intervertebral foramen

inferior Costal Facets

superior Costal Facets

vertebral foramen

rib angle

head of rib

neck of rib

costal groove