w7 quiz Flashcards
meninges layers inside to outside
pia
subarachnoid
arachnoid
subdural
dura
epidura
spinal tap?
lumbar puncture
collect csf at lower back
below l3
-> small
level contribute to branchial plexus
lack of lateral horn
presence of both gracile and curneate
indicate cervical level
space indicate by red diamond is
4th ventricle
structure of red diamond call
obex
floor of 4th ventricle
pons, romboid, rostral medulla
root of 4th ventricle
cerebellum
tract can be found in cerebral peduncle
corticospinal
result, and not result from lower motor leision
yes: flaccid paralysis, decreased muscle tone, severe atrophy, decrease reflexes
no: contralateral muscle weakness?
gamma motor neuron func
maintain tone in intrafusal fibres
structure found in midbrain
red nucleus
SO
cerebral aqueduct
cerebral peduncle