English dictionary
cell membrane
/s/E/l_'m/E/mbr/eI/n/
Definitions, examples, synonyms and antonyms from WordNet 3.0.
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
ExamplesAll cells have a cell membrane.
Source: WordNet 3.0