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单词 plasma membrane
释义

plasma membrane

noun

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

called also cell membrane

see cell illustration

Example Sentences

Recent Examples on the Web Upon activation by the caspase-1 protein, gasdermin-D protein assemble to form pores in the plasma membrane of a cell. William A. Haseltine, Forbes, 1 July 2022 Other, typically smaller ones were assembled within the cell before being released through the plasma membrane and became known as exosomes. Quanta Magazine, 2 May 2018

Word History

First Known Use

1893, in the meaning defined above

Medical Definition

plasma membrane

noun

: 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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更新时间:2025/3/4 2:08:59