1. A membrane that encloses or bounds a cell or organelle; the cell membrane or a membrane within a cell.
Usage: technical; biology

Examples

• The cytomembrane of the cell controls what substances enter and exit.
• Mitochondrial cytomembranes are essential for energy production.
• Damage to the cytomembrane can compromise cell integrity.
• The cytomembrane is composed primarily of lipids and proteins.
• Researchers studied how drugs interact with the cytomembrane.
• The endoplasmic reticulum is a type of cytomembrane system within eukaryotic cells.