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Nervous system (Brain (Diencaphalon (Hypothalamus, Epithalamus, Thalamus),…

- - - - Four lobes
        
        • Frontal
        • Parietal
        • Temporal
        • Occipital
      - Corpus callosum
- - - - Thoraco-lumbar
    - - Cranio-sacrial
- - - - • Tracts in CNS
        • Nerves in PNS
      - Myelinated (white matter)
        
        Saltatory conduction (leaps)
      - Unmyelinated
        
        Continuous conduction (Step by step)
    - - • Nuclei in CNS
        • Ganglia in PNS
      - Unmyelinated
    - - Synaptic end bulbs
        
        Neurotransmitters
        
        Monoamines
        
        • Adrenaline
        • Noradrenaline
        • Dopamine
        • Seratonin
        
        Peptides
        
        • Endorphins
        • Substance P
        
        Amino acids
        
        • Glutamate
        • GABA
        
        Other
        
        • Acetylcholine
        • Nitric oxide
        
        Inhibitory
        
        Excitatory
        
        Enzymes
        
        Monoamine oxidase
        
        Catechol-O-methyl transferase
        
        Synaptic cleft
        
        Synaptic vesicles
        
        Calcium
  - - - Oligodendrocytes
      - Microglia
      - Astrocytes
      - Ependymal cells
    - - Schwann cells
      - Satellite cells
- - - - • Shorter distance
        • Longer duration
        • No threshold
    - - Depolarisation
        
        Na+ Positive charge inside cell (up to +30mV)
      - Repolarisation
        
        K+ out of cell to even out
      - Refractory period
        
        Absolute
        
        Relative
    - - Extracellular
        
        Positive charge - Na+ and Cl-
      - Intracellular
        
        Negative charge - K+
      - Sodium-potassium pump
        
        3x Na+ out / 2x K+ in