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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. Biological membranes, in the form of eukaryotic cell membranes, consist of a ...
Oct 19, 2020 · 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. It is a feature of all cells, both prokaryotic and eukaryotic. a 3D diagram of the cell membrane.
Definition of membrane noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
The principal components of the plasma membrane are lipids (phospholipids and cholesterol), proteins, and carbohydrate groups that are attached to some of the lipids and proteins. A phospholipid is a lipid made of glycerol, two fatty acid tails, and a phosphate-linked head group.
MEMBRANE meaning: 1. a thin piece of skin that covers or connects parts of a person's or animal's body: 2. a very…. Learn more.
A membrane is a thin layer of something. For an example of a membrane, you don’t have to look far: your skin is a kind of membrane. ... Definitions of membrane.
Jan 1, 2016 · In new membrane processes, such as membrane contactors, the membrane is a nonselective barrier that separates and contacts two adjacent phases. Therefore, in the most general sense, we can define a membrane as a discontinuous phase between two adjacent phases that permits the exchange of matter, energy, and information between the phases with selective or nonselective properties.
