cell membrane
cytomembrane
plasma membrane

These may begin at the plasma membrane or within cytoplasm.

The most important place to start for neurologists is the plasma membrane.

This space is usually taken to be outside the plasma membranes, and occupied by fluid.

The plasma membrane is also thought to be far less rigid a structure than originally proposed.

The walls of These cells are lined with plasma membranes.

This process also results in changes in the plasma membrane.

The plasma membrane seems to be squashed against the cell wall.

They are found closer to the plasma membrane of the cell.

The plasma membrane is the medium through which all cells interact with their environment.

The envelope is a modified piece of the host's plasma membrane.