Set 2 Flashcards
What are the two parts of the cerebral cortex?
neocortex and allocortex
What % of the cerebral cortex is made of the neocrotex?
90%
What is found in the neocortex?
six cerebral cortex laminae (mostly synaptic activity)
What is the diencephalon mostly formed by?
thalamus
What is the function of the diencephalon?
relay for cortex, processes sensory info, sleep, consciousness, and a motor relay
What is the function of the basal ganglia?
postural adjustments, steadying voluntary movements, and enkephalins
What do striatal lesions of the basal ganglia cause?
tremors (ex: Parkinson’s, Hunington’s chorea, and ballism)
What is included in the basal ganglia?
corpus striatum, amygaloid nucleus, and claustrum
What is the brainstem made up of?
medulla oblongata, pons, and midbrain
What is the brainstem conduit for?
ascending and descending tracts
Where are the reflex centers for respiration, cardiovascular, and consciousness located?
the brainstem
What CN nuclei are found in the brainstem?
CN III - XII
What does CSF taste like?
sweet
What are the meninges from inside out?
pia, arachnoid, dura (PAD)
What space is a spinal tap accessing?
subarachnoid space
What is the innermost layer of the neural tube made up of?
ependymal cells
What produces CSF?
choroid plexus
Where is CSF resorbed?
arachnoid granulations
How many pairs of spinal nerves are there?
31 pairs
What is the function of dorsal nerve roots?
sensory (afferent)