cell membrane

The definition of a cell membrane is a layer of tissue that surrounds a cell.

(noun)

An example of a cell membrane is the protective layer around a skin cell.

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See cell membrane in Webster's New World College Dictionary

a membrane surrounding a cell or cell part; esp., plasma membrane

See cell membrane in American Heritage Dictionary 4

noun
The semipermeable membrane that encloses the cytoplasm of a cell. Also called cytomembrane, plasmalemma, plasma membrane.

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