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  1. 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 …

  2. 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. The outer boundary is the plasma membrane, and the compartments …

  3. Cell Membrane (Plasma Membrane) - Diagram, Structure, Function

    Sep 9, 2025 · The cell membrane (or plasma membrane) is a selectively permeable barrier that encloses the cell. It consists mainly of a phospholipid bilayer with embedded proteins, …

  4. Plasma Membrane (Cell Membrane) - National Human Genome ...

    2 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 …

  5. 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 …

  6. 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 …

  7. Structure of the Plasma Membrane - The Cell - NCBI Bookshelf

    The plasma membrane is the most thoroughly studied of all cell membranes, and it is largely through investigations of the plasma membrane that our current concepts of membrane …

  8. CELL MEMBRANES – BIOLOGY BASICS

    Functions of the cell membrane include acting as a boundary and controlling traffic in and out of the cell (membrane transport). Components of the prokaryotic cell membrane include …

  9. Membrane - Wikipedia

    Physical cleaning techniques for membrane include membrane relaxation and membrane backwashing. Back-washing or back-flushing consists of pumping the permeate in the reverse …

  10. Cell Membrane: Definition, Structure, & Functions with Diagram

    Feb 2, 2023 · The cell membrane, also called the plasma membrane, is a thin layer that surrounds the cytoplasm of all prokaryotic and eukaryotic cells, including plant and animal cells.