Cell Membrane In Plant Cell Definition. The cell membrane, also known as the plasma membrane, is a double layer of lipids and proteins that surrounds a cell.it separates the cytoplasm (the contents of the cell) from the external environment. The plant cell is rectangular and comparatively larger than the animal cell.

The cell membrane consists of a lipid bilayer, including cholesterols that sit between phospholipids to maintain their fluidity at various temperatures. A very thin membrane , composed of lipids and protein , that surrounds the cytoplasm of a. Plant cells can move water across their membranes through a process called osmosis.

It regulates the movement of materials into and out of the cell and facilitates electrical signaling between them.

See the dictionary meaning, pronunciation, and sentence examples. Difference between cell membrane and plasma membrane definition. The membrane that surrounds the cell and separates it from the outside environment is called cell membrane.in animals the plasma membrane is the outermost covering of the cell whereas in plants, fungi, and some bacteria. Cell membrane is a protective covering that acts as a barrier between the inner and outer environment of a cell (in animals).