SA - spinal cord Flashcards
spinal cord is a direct continuation of the ___ ___ of the brain
medulla oblongata
spinal cord begins at ____ ____
foramen magnum
spinal cord ends at the ___ ___
conus medullaris
spinal cord ends at ____ vertebrae in adults
L2
spinal cord ends at ___ vertebrae in children
L4
there are 2 enlargements of the spinal cord
cervical
lumbar
the cervical enlargement originates at ___ vertebrae and extends down to the ___ vertebrae
C5
T2
the cervical enlargement corresponds with the ___ plexus
brachial
the brachial plexus is from ____-____ vertebrae
C5-T1
brachial plexus innervates the ___ ___
upper exremity
the lumbar enlargement is ___ than the cervical enlargement
smaller
lumbar enlargement originates at ___ vertebrae and extends down to the ___ vertebrae
T9
T12
lumbar enlargement accommodates the ___ plexus
lumbosacral
the lumbosacral plexus innervates the ___ ___
lower extremity
filum terminale starts at ___ vertebrae
L2
interrnum of filum terminale extends from ___ vertebrae and ends at ___ vertebrae
L2
S2
externum of filum terminale extends from ___ vertebrae and ends at ___
S2
Co
Lumbar cistern is at ___ vertebrae
S2
conus medullaris is a ____ of the spinal cord
tapering
epiconus is the __ of the conus medullaris
apex
filum terminale is a continuation of ___ ___
pia mater
filum terminale is ___ ___ in color
bluish white
cauda equina is a collection of ___ dorsal and ventral ___ that passes through the canal at the level of the conus medularis
both
roots
lumbar cistern is the ____ space occupied by the lumbar sacral dorsal and ventral roots
subarachnoid
