Nerve cells come in many shapes and sizes,
but they all have a number of identifiable parts.
A typical nerve cell is shown in <FIGIND ID="FG.001" NUM="1">Figure
1</FIGIND>. Like all other cells in the body,
it has a nucleus that contains genetic information.
<FIGIND ID="FG.002" NUM="2">Figure 2</FIGIND>. The cell is covered by a
membrane and is filled with a fluid.