MULTIPOLAR NEURON

 

A         perikaryon (cell body or soma)

 

B          myelinated axon (nerve fiber)

 

1          axon hillock (trigger zone)

2          nucleus of neuron, with nucleolus

3          RER (Nissl = ribosomes)

4, 16    neurofibrils

5          synaptic (or axon) terminals

            (of other neurons);  in orange

6          axon

7          Schwann cell with nucleus

            (neurolemmocyte)

8          Schwann cell plasma membrane

9          node of Ranvier

10        mitochondria

11        myelin sheath

            (outer layer only = neurilemma)

12        endoneurium (conn. tissue sheath)

13        axon

14        dendrites

15        lysosomes

16, 4    neurofibrils

17        Golgi apparatus