The Nervous System

                          I. Functions of the Nervous System

 II. Parts of the Nervous System.
A.   Central Nervous System
B.   Peripheral Nervous system
     1.  Sensory Neurons
          a.    Somatic sensory
          b.   Visceral sensory
     2.   Motor Neurons
          a.    Somatic motor
          b.   Autonomic motor
               1)    Sympathetic neurons
               2)    Parasympathetic neurons

     III. Cells of the Nervous System
     A.   Neurons
          1.    Cell body or perikaryon
          2.    Dendrites
          3.    Axon
     B.   Neuron morphology
          1.    Bipolar
          2.    Multipolar
          3.    Unipolar
     C.   Neuroglia
          1.    Schwann cells
          2.    Oligodendrogliocytes
          3.    Microglia
          4.    Astrocytes
          5.    Ependymal cells
          6.    Ganglionic cells

   IV Transmembrane potentials
       A. Resting Potential
       B. Plasma membrane channels
                1. Ligand regulated ion channels
                2. Voltage regulated ion channels
       C. Action Potential
                1. Depolarization
                2. Repolarization
                3. Hyperpolarization
                4. Refractory period
       D. Local Potential

    V. Impulse Transmission
        A. Continuos Propagation
        B. Saltatory Conduction
        C. Neurotransmission
                1. The Synapse
                2. The Postsynaptic Neuron            
        D. Excitatory Postsynaptic Potential
        E. Inhibitory Postsynaptic Potential
        F. Various neurotransmitters


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