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

First Known Use of plasma membrane

1893, in the meaning defined above

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The first known use of plasma membrane was in 1893

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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

More from Merriam-Webster on plasma membrane

Britannica.com: Encyclopedia article about plasma membrane

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