CNS Flashcards
What are the 3 nerve tracts connecting the left and right hemispheres?
Corpus Callosum (Largest)
Anterior Commissure
Posterior Commissure
How many pairs of cranium nerves are there?
12
Where is the pineal nerve?
Behind the third ventricle
What is the function of the internal and vertebral arteries?
Supplies blood to brain
The hypothalamus releases hormones from ____
Pituitary gland
Where does the thalamus relay sensory/motor signals to?
Cerebral cortex
What part of the brain is involved with involuntary processes?
Brainstem
What seperates the cortex into 2 hemispheres?
Longitudal fissures
What are neuromeres?
Discrete segments of the brainstem
The medulla, pons and midbrain are part of what?
Brainstem
True or False: The hindbrain is separated into the pons and medulla oblongata
True
What is the main function of the hippocampus?
Memory
What are subcortical structures?
Brain regions located underneath the cerebral cortex
What is the Basal Ganglia?
A group of structure in the center of the brain that form important connections
What are the ventricles?
Fluid cavities
What are the 3 levels of protection?
Bone (Skull/Vertebrae)
Meninges
CSF (Cerebrospinal Fluid)
What does the hypothalamus do?
Body temp, heat, thirst, fatigue, sleep, circadian rhythms