Spinal Cord Flashcards
In the horizontal view, what direction of the spinal cord tends to be largest?
Transverse
What are the spinal cord enlargement locations and the name given to each?
C3-T1, the cervical enlargement; T9-T12, the lumbar (lumbosacral) enlargement
Where is the great transverse diameter of the spinal cord?
C6
In which plane (or direction) will the diameter of the spinal decrease from C2 down to T1?
Midsagittal ro anterior-posterior plane
What spinal nerves originate form the lumbar (lumbosacral) enlargement?
L1-S3 spinal nerves
What is a generic cord level of origin - vertebral level combination for the lumbar enlargement?
L1, L2 cord levels in T9 vertebra; L3, L4 cord levels in T10 vertebra; L5, S1 cord levels in T11 vertebra; S2, S3 cord levels in T12 vertebra
What is the caudal end of the spinal cord called?
Conus medullaris
What spinal nerves originate form the conus medullaris?
Typically S4, S5 and Co1
In which vertebral Foramen will the conus medullaris typically be observed?
L1
What is the name given to the nerve roots below L1?
Cauda equina
What is he continuation of pia mater below the onus medullaris called?
Filum ferminale internum
What is the location and name given to the area where all meninges first converge at the caudal part of the vertebral column?
Typically S2, the dural cut de sac
Neural tissue has been IDed in what part of the filum terminale?
Proximal part of the filum terminale internum
What is the fate of the neural tissue associate with the fluid terminale internum appear to innervate?
Lower limbs and the eternal anal sphincter
the last arterial vasa corona creates what feature on an angiogram?
Cruciate anastomosis
