Flashcards in Spinal Cord Deck (26):
What are denticulate ligaments made up of?
What type of information is carried in a dorsal nerve root?
What type of information is carried in a ventral nerve root?
Where do the nerve roots unite to form a spinal nerve?
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?
What type of information is present in ventral grey horn?
What type of information is present in lateral grey horn?
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?
At what level does the spinal cord terminate in neonates?
Where is the inferior termination of subarachnoid space?
Where is the superior termination of the subarachnoid space?
Superior sagittal sinus
Where is the inferior termination of the epidural space?
Sacral hiatus (S5)
Where is the superior termination of the epidural space?
What does the subarachnoid space contain?
At which levels of the spinal cord is lateral grey horn present?
T1 to L2
At which levels of the spinal cord is cuneate fascicle present?
At which levels of the spinal cord is gracile fascicle present?
Where is the gracile fascicle?
Medial part of dorsal white column
Which level of spinal cord has the most white matter and why?
Because it contains axons travelling to the entire body