1. a microscopic spherical sac made of phospholipids, used in biological research and drug delivery
Usage: scientific; medical

Examples

• Scientists used liposomes to deliver the cancer drug directly to tumor cells.
• The liposome encapsulated the medication, protecting it from degradation.
• Researchers are developing liposome-based vaccines for better immune responses.
• The drug company created a liposome formulation to reduce side effects.
• Liposomes can cross cell membranes more easily than free drugs.
• The laboratory synthesized liposomes containing fluorescent markers for imaging.