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Central Nervous System (brain (cerebrum (Frontal (voluntary, primary motor…
Central Nervous System
brain
blood brain barrier
Tight Junction
consist of a network of claudins
Capillaries
Smallest blood vessels
cerebrum
postcentral gyrus
primary somatosensory cortex
receive signals
precentral gyrus
primary motor cortex
sending signals aways
Occipital
primary visual cortex
commissural tract
one hemisphere
Parietal
process sensory info
projection tracts
carries signals different places
Frontal
voluntary
primary motor cortex
association tract
same hemisphere; travels places
Brain stem
reticular formation nuclei
midbrain
Has cerebral peduncles
superior colliculi
visual flex
inferior colliculi
auditory flex
pyramidal tract
Medulla Oblongata
cardiac center
Pons
Composed of Pyramidal Motor tract to spinal cord
Diencephalon
Epithalamus
pineal gland
Hypothalamus
Secrets hormones
Thalamus
collection of nuclei
cerebellum
maintain posture
Spinal cord
ascending root
sensory
descending tract
motor
Posterior Root Ganglio
cell bodies of sensory neurons
Posterior root
Carries SS and VS
Anterior root
Carries SM and VM