Definitions for cell membrane
This page provides all possible meanings and translations of the word cell membrane
Random House Webster's College Dictionary
the semipermeable membrane enclosing the cytoplasm of a cell.
Category: Cell Biology
Origin of cell membrane:
cell membrane, cytomembrane, plasma membrane(noun)
a thin membrane (a double layer of lipids) enclosing the cytoplasm of a cell; proteins in the membrane control passage of ions (like sodium or potassium or calcium) in and out of the cell
"all cells have a cell membrane"
The semipermeable membrane that surrounds the cytoplasm of a cell.
The cell membrane is a biological membrane that separates the interior of all cells from the outside environment. The cell membrane is selectively permeable to ions and organic molecules and controls the movement of substances in and out of cells. The basic function of the cell membrane is to protect the cell from its surroundings. It consists of the lipid bilayer with embedded proteins. Cell membranes are involved in a variety of cellular processes such as cell adhesion, ion conductivity and cell signaling and serve as the attachment surface for several extracellular structures, including the cell wall, glycocalyx, and intracellular cytoskeleton. Cell membranes can be artificially reassembled.
U.S. National Library of Medicine
The lipid- and protein-containing, selectively permeable membrane that surrounds the cytoplasm in prokaryotic and eukaryotic cells.
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