dura mater
protects spinal cord
arachnoid mater
protects spinal cord and absorbs cerebrospinal fluid
pia mater
protects spinal cord`
dorsal roots
fibers carry sensory input
dorsal root ganglia
location of the cell bodies of sensory neurons
ventral roots
fibers carry motor output
spinal nerves
convey sensory input and motor output
lumbar enlargement
between spinal cord segments L1-S3
- attachment site of the nerves innervating the lower limbs
conus medullaris
cone shaped inferior end of the spinal cord
filum terminale
an extension of the pia mater that runs from the end of the spinal cord to the coccyx
-anchors the spinal cord
cauda equina
the collective name for the dorsal and ventral roots extending from the inferior part of the spinal cord
is the first lumbar segment of the spinal cord at the level of the first lumbar vertebra?
no the spinal cord ends at L1 or L2
