Chapter 13 Flashcards
(35 cards)
outer layer of spinal cord
dura mater
middle meningeal layer
arachnoid mater
inner meningeal layer
pia mater
the dura mater, arachnoid mater, and pia mater are collectively called the
meningeal layers
found in the dorsal root ganglia
cell bodies of sensory neurons
type of fibers found in dorsal root
sensory neurons
types of fibers found in ventral root
motor neurons
bundles that form from the joining of the dorsal root and the ventral root
spinal nerves
two types of fibers found in spinal nerves
sensory and motor
surrounds outer spinal nerves
epinerium
surrounds fascicles
perineurium
surrounds individual axons
endoneurium
where is cerebral spinal fluid found
subarachnoid space
withdraws CSF
lumbar puncture/spinal tap
viral or bacterial infection of meninges
meningitis
bilateral region of the skin, monitored by specific pair of spinal nerves
dermatome
caused by varicella-zoster virus
shingles
complex, interwoven network of nerve fibers that controls skeletal muscles
nerve plexus
four spinal plexus
cervical
brachial
lumbar
sacral
nerve that innervates the diaphragm and allows you to breathe by stimulating the diaphragm
phrenic nerve
where the phrenic nerve originates in the spinal cord
C3, C4, C5
basic neural reflexes, formed before birth
innate reflexes
triggered by sudden elongation of tendons
stretch reflexes
example of a stretch reflex
patellar
