13. Spinal cord and meninges Flashcards
Spinal cord extends from the _ to the lumbar vertebra
medulla oblongata
There are _ pairs of spinal nerves
31
There are _ cervical pairs
8
Spinal cord terminates around _
L1/2
T/F C1 spinal nerve exits below C1 vertebra
False (it exits above C1)
C8 spinal nerves exits below _
C7
There are 2 enlargements, _ and _
cervical and lumbar
The end of the spinal cord is the _
conus medullaris
The _ has pia mater continuous to coccygeal ligament
filum terminal
The area past the end of the spinal cord that contains both dorsal and ventral nerve roots is _
cauda equina
Grey matter contains _
neuronal cell bodies
White matter contains _
axons and neuronal tracts
The _ is the channel for autonomic and flight or fight response
sympathetic chain
List the path to forming spinal nerves
Rootlets (D/V)
Roots (D/V) combine to form spinal nerve
Spinal nerve branches into Rami (D/V)
T/F As you move down the spinal cord, you get more grey matter
True