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Illustration of a eukaryotic cell membrane Comparison of a eukaryotic vs. a prokaryotic cell membrane. The cell membrane (also known as the plasma membrane or cytoplasmic membrane, and historically referred to as the plasmalemma) is a biological membrane that separates and protects the interior of a cell from the outside environment (the extracellular space).
Fluid mosaic model of a cell membrane. The fluid mosaic model explains various characteristics regarding the structure of functional cell membranes.According to this biological model, there is a lipid bilayer (two molecules thick layer consisting primarily of amphipathic phospholipids) in which protein molecules are embedded.
Two diagrams, one showing bilayer detail with a monolayer in the third dimension and another showing the bilayer as a 3D 'layer' with filaments, cytoplasm, and clear intracellular / extracellular separation would have improved my comprehension when I was doing biology. Dhatfield 16:55, 12 June 2008 (UTC) Response to technical concerns.
The cell membrane, also called the plasma membrane or plasmalemma, is a semipermeable lipid bilayer common to all living cells. Source original svg Mariana Ruiz edited by Alokprasad84; Date Author Original: Cell_membrane_detailed_diagram.svg: LadyofHats Mariana Ruiz; derivative work: Alokprasad84; Permission (Reusing this file)
Cross-sectional view of the structures that can be formed by phospholipids in an aqueous solution. A biological membrane, biomembrane or cell membrane is a selectively permeable membrane that separates the interior of a cell from the external environment or creates intracellular compartments by serving as a boundary between one part of the cell and another.
Schematic representation of transmembrane proteins: 1) a single-pass membrane protein 2) a multipass membrane protein (α-helix) 3) a multipass membrane protein β-sheet. The membrane is represented in light yellow. A transmembrane protein is a type of integral membrane protein that spans the entirety of the cell membrane.
This image is a derivative work of the following images: File:Cell_membrane_detailed_diagram_en.svg licensed with PD-user . 2009-02-23T18:08:26Z Bibi Saint-Pol 877x361 (487132 Bytes) {{Information |Description= {{en|The cell membrane, also called the plasma membrane or plasmalemma, is a semipermeable lipid bilayer common to all living cells.
The movement of phospholipids, even those located in the outer leaflet of the membrane, is regulated by the actin-based membrane skeleton meshwork.Which is surprising, because the membrane skeleton is located on the cytoplasmic surface of the plasma membrane, and cannot directly interact with the phospholipids located in the outer leaflet of the plasma membrane.