470.CNS.MBurnham (2007) - CHAPTER 16 FUNCTIONAL...

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CHAPTER 16: FUNCTIONAL ORGANIZATION OF THE CENTRAL NERVOUS SYSTEM 1. DEFINITIONS: CNS (PNS) 2. MAJOR DIVISIONS OF THE CNS Prosencephalon (forebrain) Mesencephalon (midbrain) Rhombencephalon (hindbrain) ************************* Telencephalon (cerebrum) Diencephalon Mesencephalon Metencephalon Myencephalon
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3. IMPORTANT NUCLEI / AREAS Reticular Formation (RF) Ventral Tegmental Area (VTA) Periaqueductal Grey (PAG) Substantia Nigra (SN) Hippocampus (Hpc) Striatum (Caudate, Putamen) (CPU) Globus Pallidus (GP) Nucleus Accumbens (NAC) Amygdala (Amyg) Pons Medulla
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4. CELL TYPES OF THE CNS Neuroglia: astrocytes oligodendroglia microglia Neurons: dendrites soma (cell body, perikaryon) axon cytoskeleton nuclei, tracts 5. TYPES OF SYNAPSES Electrical (no cleft) Chemical (cleft) Snapses: axodendritic, axosomatic, axoaxonic synaptic vesicles
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6. TYPES OF CHEMICAL MESSENGER Hormones Local hormones (paracrines, neurohormones) Neuromodulators Neurotransmitters 7. TYPES OF NEUROTRANSMITTERS Small-molecule neurontransmitters amino acids GABA glutamate (aspartate) glycine non-amino acid acetylcholine (ACH) serotonin (5-HT) histamine dopamine (DA) norepinephrine (NE) epinephrine
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