Draw a small circle for the cell body
Add a larger circle or oval around it for the soma
Draw several short branching lines from the soma for dendrites
Draw one long line extending from the soma for the axon
Add a slight curve to the axon
Draw small gaps along the axon for myelin sheath spaces
Add oval segments around the axon for myelin sheath
Extend the axon to a final branching end
Draw small branch tips at the end of the axon
Add a nucleus inside the cell body
Darken the main outlines
Erase extra sketch lines
Add labels if needed