Cell Component
microfibril Audio
mi·cro·fi·bril [ mahy-kroh-fahy-bruhl, -fib-ruhl ]
Subclass of:
Extracellular Matrix
Definitions related to microfibrils:
  • Extracellular matrix components occurring independently or along with elastin. Thought to have force-bearing functions in tendon. In addition to fibrillins, microfibrils may contain other associated proteins.
    Gene Ontology Dictionary
    Gene Ontology Consortium, 2021
  • Components of the extracellular matrix consisting primarily of fibrillin. They are essential for the integrity of elastic fibers.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 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.