Biologically Active Substance
thromboxane Audio
throm·box·ane [ throm-bok-seyn ]
Subclass of:
Arachidonic Acids
Definitions related to thromboxanes:
  • Any eicosanoid with a 6-membered ether-containing ring with potential prothrombotic activity. Thromboxanes are synthesized from prostaglandin H2 by thromboxane-A synthase in activated platelets.
    NCI
    U.S. National Cancer Institute, 2021
  • Physiologically active compounds found in many organs of the body. They are formed in vivo from the prostaglandin endoperoxides and cause platelet aggregation, contraction of arteries, and other biological effects. Thromboxanes are important mediators of the actions of polyunsaturated fatty acids transformed by cyclooxygenase.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
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