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Central Nervous System (drugs that affect the brain (heroine (it affects…
Central Nervous System
Names of the lobe
frontal lobe
emotions, self control , higher intellect
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Major Brian parts
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Brain Stem
Made of the medulla oblongata, pons, midbrain
Diencephalon
superior to brain stem, surrounded
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layers of the meninges
Dura mater
outermost layer, dense, irregular C.T with many blood vessels and nerves, attached to periosteum
arachnoid mater
Spider web-like collagen and elastic fiber, thin membrane that lacks blood vessels
pia mater
innermost nearly transparent layer; has many nerves and blood vessels, follows contours of the brain and spinal cord
classification of neuron
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unipolar
just one process and are always sensory neurons axon terminals are in CNs and cells bodies in ganglia
actions of potential
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if a strong enough, depolarized and occurs threshold potential
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