Biologically Active Substance
transport protein
trans·port pro·tein [ trans-pawrt, -pohrt proh-teen, -tee-in ]
Subclass of:
Proteins
Definitions related to carrier proteins:
  • Proteins that bind or transport specific substances in the blood, within the cell, or across cell membranes.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • (transport protein) A protein that is involved in the directed movement of substances into, out of, within or between cells.
    NCI
    U.S. National Cancer Institute, 2021
  • (transport protein) Diverse group of proteins which serve as carriers of ligands through solubility barriers such as aqueous body fluids (for lipoid hormones) or lipid membranes (for inorganic ions).
    CRISP Thesaurus
    National Institutes of Health, 2006
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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.