Spinal 3 Flashcards
the brainstem is made up by?
MO, pons and midbrain
contains reflex centers associated with respiration, CV and consciousness
brainstem
contains important nuclei of CN III through XII
brainstem
Parkinson’s is due to neuronal degeneration of?
substantia nigra (Lewy Bodies) Lewy has Parkinson’s
how much CSF in present in an adult?
140ml-270ml
name the meninges of the brain from the inside out
PAD, pia, arachnoid, and dura mater
where is a spinal tap performed?
in subarachnoid space (between arachnoid and pia)
what is the innermost layer of the neural tube?
ependymal cells
what produces CSF?
choroid plexus
what reabsorbs CSF?
arachnoid granulations
how much CSF is present in the ventricles?
~25ml
how many pairs of spinal nerves are there?
31
what does the Bell-Magendi law state?
dorsal roots-sensory afferent fibers
ventral roots-motor efferent fibers (*motor in the front)
**SAME-sensory afferent motor efferent
where does the spinal cord terminate?
L1/L2
what is the end of the spinal cord called?
conus medullaris