Spinal Cord Flashcards
What are denticulate ligaments made up of?
Pia mater
What type of information is carried in a dorsal nerve root?
Sensory
What type of information is carried in a ventral nerve root?
Motor
Where do the nerve roots unite to form a spinal nerve?
Intervertebral foramen
What does the dorsal rami of a spinal nerve supply?
Muscles and sensation of back
What does the ventral rami of a spinal nerve supply?
Anterolateral part of trunk and limbs
What type of information is present in dorsal grey horn?
Sensory
What type of information is present in ventral grey horn?
Motor
What type of information is present in lateral grey horn?
Autonomic
What is the lumbar cistern?
Region of subarachnoid space between termination of spinal cord and termination of subarachnoid space
What is the conus medullaris?
End of the spinal cord
What is the cauda equina?
Lower lumbar, sacral and coccygeal nerve roots that descend after conus medullaris
What is the filum terminale?
Thread of pia mater that attaches to coccyx
At what level does the spinal cord terminate in adults?
L1/L2
At what level does the spinal cord terminate in neonates?
L3