Synonym(s)
- cytoplasmic membrane
- plasmalemma
- plasma membrane
Definition(s)
- The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.
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Definition from: MeSH via Unified Medical Language System
at the National Library of Medicine
- The cell membrane, also called the plasma membrane, is found in all cells and separates the interior of the cell from the outside environment. The cell membrane consists of a lipid bilayer that is semipermeable. The cell membrane regulates the transport of materials entering and exiting the cell.
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Definition from: Talking Glossary of Genetic Terms
from the National Human Genome Research Institute
Related discussion in the Handbook
See also Understanding Medical Terminology.