Biologically Active Substance
albumin Audio
al·bu·min [ al-byoo-muhn ]
Subclass of:
Proteins
Etymology:
Latin albumen = white of egg; derived from albus = white
Spelled albumen, the word was introduced into science; egg white was the prototype. Later the word albumin was applied to various special forms of albumen.
Definitions related to albumins:
  • A family of globular proteins found in many plant and animal tissues that tend to bind a wide variety of ligands. Albumin is the main protein in blood plasma. Low serum levels occur in conditions associated with malnutrition, inflammation and liver and kidney diseases.
    NCI
    U.S. National Cancer Institute, 2021
  • A protein made by the liver. Abnormal levels of this substance may indicate liver or kidney disease.
    Harvard Dictionary of Health Terms
    Harvard Medical Publishing, 2011
  • A type of protein found in blood, egg white, milk, and other substances.
    NCI Dictionary of Cancer Terms
    U.S. National Cancer Institute, 2021
  • Family of globular proteins found in many plant and animal tissues that tend to bind a wide variety of ligands.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • Water-soluble proteins found in egg whites, blood, lymph, and other tissues and fluids. They coagulate upon heating.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • The reference range for albumin testing is as follows: The normal range is 3.5 to 5.
    Medscape
    WebMD, 2025
  • Albumin, a type of protein that is soluble in water and in water half saturated with a salt such as ammonium sulfate. Serum albumin is a component of blood serum; ?-lactalbumin is found in milk. Ovalbumin constitutes about 50 percent of the proteins of egg white; conalbumin is also a component.
    Encyclopedia Britannica
    Encyclopedia Britannica, Inc., 2025
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.