plasma membrane

Từ điển WordNet v3.1 - WordNet Dictionary

noun

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
- all cells have a cell membrane
• Syn:
cell membrane, cytomembrane
• Hypernyms:
semipermeable membrane
• Part Holonyms:
cell