central nervous system Flashcards
grey matter of the CNS contains: (2)
- neuron cell bodies
- dendrites
white matter contains: (1)
- axon tracts
white matter is located
deeper within the brain, underlying the cortex
what are the three layers of the spinal cord and brain (innermost to outermost)
Pia mater -> arachnoid mater -> dura mater -> spinal cord or skull
(PADS)
what is the outer cavity of the brain called?
superior sagittal sinus (SSS)
What is the inner cavity of the brain called?
Subarachnoid space (SAS)
what is the purpose of the cerebrospinal fluid in the cavities of the brain and spinal cord?
protection
Where does the spinal cord span from?
brain stem -> pelvic region
lower motor damage reflex will be _____ with damage
diminished
upper motor neuron damage will be _____ with damage
exaggerated
what is the function of the parietal lobe?
- perception of somatesthetic sensation (cutaneous, muscle, tendon and joint receptors)
What is the function of the temporal lobe?
interpretation and association of auditory and visual information
what is the function of the occipital lobe?
vision and co-ordination of eye movements
what is the function of the frontal lobe?
motor control
Where is the insula?
between the frontal and temporal lobes