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plasma membrane

DEFINITIONS OF: plasma membrane

1

n a thin membrane (a double layer of lipids) enclosing the cytoplasm of a cell; proteins in the membrane control passage of ions (like sodium or potassium or calcium) in and out of the cell

Synonyms:
cell membrane, cytomembrane
Type of:
semipermeable membrane
a membrane (as a cell membrane) that allows some molecules to pass through but not others
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