Pathologic Function
thrombosis Audio
throm·bo·sis [ throm-boh-sis ]
Subclass of:
Embolism and Thrombosis
Etymology:
Greek thrombos = a clot + -osis = condition
Definitions related to thrombosis:
  • Formation and development of a thrombus or blood clot in BLOOD VESSELS.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • Formation of a blood clot (called a thrombus) in a blood vessel or chamber of the heart.
    Harvard Dictionary of Health Terms
    Harvard Medical Publishing, 2011
  • Formation of a blood clot within a blood vessel or the heart.
    NICHD Pediatric Terminology
    U.S. National Cancer Institute, 2021
  • Formation, development, or presence of a thrombus.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • The formation of a blood clot in the lumen of a vessel or heart chamber; causes include coagulation disorders and vascular endothelial injury.
    NCI
    U.S. National Cancer Institute, 2021
  • In healthy people, homeostatic balance exists between procoagulant (clotting) forces and anticoagulant and fibrinolytic forces. Numerous genetic, acquired, and environmental factors can tip the balance in favor of coagulation, leading to the pathologic formation of thrombi in veins (eg, deep venous thrombosis [DVT]), arteries (eg,...
    Merck Manuals
    Merck & Co., Inc., 2025
  • Thrombosis, formation of a blood clot in the heart or in a blood vessel. Factors that play a role in the formation of clots (thrombi) include injury to a blood vessel and alterations from normal blood flow; changes in the coagulability of the blood may also cause clot formation. Injury to the...
    Encyclopedia Britannica
    Encyclopedia Britannica, Inc., 2025
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