
Cell membrane - Wikipedia
The cell membrane (also known as the plasma membrane or cytoplasmic membrane, and historically referred to as the plasmalemma) is a semipermeable biological membrane that …
Membrane | Definition, Structure, & Functions | Britannica
Membrane, in biology, the thin layer that forms the outer boundary of a living cell or of an internal cell compartment.
Plasma Membrane (Cell Membrane)
3 days ago · The plasma membrane, also called the cell membrane, is the membrane found in all cells that separates the interior of the cell from the outside environment. In bacterial and plant …
3.1 The Cell Membrane – Anatomy & Physiology 2e
This cell membrane provides a protective barrier around the cell and regulates which materials can pass in or out. Structure and Composition of the Cell Membrane The cell membrane is an …
4.2 The Cell Membrane – Human Physiology - lmu.pressbooks.pub
The cell membrane of the cell is a phospholipid bilayer containing many different molecular components, including proteins and cholesterol, some with carbohydrate groups attached.
Cell Membrane: Structure, Function, and Importance
Aug 3, 2025 · Though often overshadowed by more glamorous components like the nucleus or mitochondria, the cell membrane—also known as the plasma membrane—is nothing short of …
Cell Membranes | Learn Science at Scitable - Nature
Scientists who model membrane structure and dynamics describe the membrane as a fluid mosaic in which transmembrane proteins can move laterally in the lipid bilayer.
Membrane Structure - Molecular Biology of the Cell - NCBI …
Although we focus mainly on the plasma membrane, most of the concepts discussed are applicable to the various internal membranes in cells as well. The functions of cell membranes …
3.1 The Cell Membrane - Anatomy and Physiology 2e | OpenStax
As the outer layer of your skin separates your body from its environment, the cell membrane (also known as the plasma membrane) separates the inner contents of a cell from its exterior …
Cell Membrane: Its Structure and Key Functions - Biology Insights
Jul 22, 2025 · Explore the cell membrane’s design, a dynamic structure that controls molecular passage, facilitates communication, and provides essential cellular support.