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- Dictionarymembrane/ˈmɛmbreɪn/
noun
- 1. a thin sheet of tissue or layer of cells acting as a boundary, lining, or partition in an organism: "the nucleus is a distinct region with a membrane around it"
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May 10, 2024 · 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 enclosed by internal membranes are called organelles.
A membrane is a selective barrier; it allows some things to pass through but stops others. Such things may be molecules, ions, or other small particles. Membranes can be generally classified into synthetic membranes and biological membranes. [1] .
MEMBRANE definition: 1. a thin piece of skin that covers or connects parts of a person's or animal's body: 2. a very…. Learn more.
The meaning of MEMBRANE is a thin soft pliable sheet or layer especially of animal or plant origin. How to use membrane in a sentence.
A thin, flexible layer of tissue that covers, lines, separates, or connects cells or parts of an organism. Membranes are usually made of layers of phospholipids containing suspended protein molecules and are permeable to water and fat-soluble substances.
5 days ago · Cell membrane, thin membrane that surrounds every living cell. The cell membrane functions as a barrier, keeping cell constituents in and unwanted substances out, and as a gate, allowing transport into the cell of essential nutrients and movement from the cell of waste products.
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).
