Biologically Active Substance
laminin Audio
lam·i·nin
Subclass of:
Extracellular Matrix Proteins; Membrane Glycoproteins
Definitions related to laminin:
  • A family of basement membrane extracellular basement proteins. Each molecule is composed of 3 nonidentical chains which are arranged in a cross-shaped structure. There are at least 5 alpha, 4 beta, and 3 gamma laminin genes.
    NCI
    U.S. National Cancer Institute, 2021
  • Large, noncollagenous glycoprotein with antigenic properties. It is localized in the basement membrane lamina lucida and functions to bind epithelial cells to the basement membrane. Evidence suggests that the protein plays a role in tumor invasion.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • Major glycoprotein of basement membrane and other extracellular matrix structures; serves as an adhesive, chemoattractant, and cell activator during neurogenesis and other cell growth events.
    CRISP Thesaurus
    National Institutes of Health, 2006
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