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plasma membrane

noun

Definition of plasma membrane

: a semipermeable limiting layer of cell protoplasm consisting of a fluid phospholipid bilayer with intercalated proteins

— called also cell membrane

— see cell illustration

Examples of plasma membrane in a Sentence

Recent Examples on the Web

 Other, typically smaller ones were assembled within the cell before being released through the plasma membrane and became known as exosomes. — Quanta Magazine, "Cells Talk in a Language That Looks Like Viruses," 2 May 2018

First Known Use of plasma membrane

1893, in the meaning defined above

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More Definitions for plasma membrane

plasma membrane

noun

Medical Definition of plasma membrane

: a semipermeable limiting layer of cell protoplasm consisting of a fluid phospholipid bilayer with intercalated proteins

— called also cell membrane, plasmalemma

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