• A multimolecular colloid particle, usually formed by amphipathic molecules in solution with the polar group toward the solution and the hydrophobic group toward the interior.
  NCI Thesaurus
  U.S. National Cancer Institute, 2021
• A tiny particle made of substances that are soluble in water and that come together to form a ball-like shape. These particles can carry other substances inside them. In medicine, micelles are made in the laboratory and are used to carry drugs to body tissues and cells.
  NCI Dictionary of Cancer Terms
  U.S. National Cancer Institute, 2021
• Aggregate of lipids in which the polar head groups face outward and the hydrophobic tails face inward.
  CRISP Thesaurus
  National Institutes of Health, 2006
• Particles consisting of aggregates of molecules held loosely together by secondary bonds. The surface of micelles are usually comprised of amphiphatic compounds that are oriented in a way that minimizes the energy of interaction between the micelle and its environment. Liquids that contain large numbers of suspended micelles are referred to as EMULSIONS.
  NLM Medical Subject Headings
  U.S. National Library of Medicine, 2021