• A very tiny, fat-like particle that is made in the laboratory. In medicine, liposomes containing drugs or other substances are used in the treatment of cancer and other diseases. Drugs given in liposomes may have fewer side effects and work better than the same drugs given alone.
  NCI Dictionary of Cancer Terms
  U.S. National Cancer Institute, 2021
• Single or multilaminar vesicles (made from lecithins or other lipids) that can be used for the delivery of a variety of biological molecules or molecular complexes to cells, for example, drug delivery and gene transfer; also used to study membranes and membrane proteins.
  CRISP Thesaurus
  National Institutes of Health, 2006
• Substances composed of layers of lipid that form hollow microscopic spheres within which drugs or agents could be contained for enhanced safety and efficacy.
  NCI
  U.S. National Cancer Institute, 2021
• Artificial, single or multilaminar vesicles (made from lecithins or other lipids) that are used for the delivery of a variety of biological molecules or molecular complexes to cells, for example, drug delivery and gene transfer. They are also used to study membranes and membrane proteins.
  NLM Medical Subject Headings
  U.S. National Library of Medicine, 2025