Definition of prostacyclin in English:


Syllabification: pros·ta·cy·clin
Pronunciation: /ˌprästəˈsīklin


  • A compound of the prostaglandin type that is produced in arterial walls and that functions as an anticoagulant and vasodilator.
    More example sentences
    • Other common therapies including anticoagulant treatment and prostacyclin have been used.
    • The endothelium produces several regulatory mediators, including nitric oxide and prostacyclin, which are vasodilators, and endothelin, which is a vasoconstrictor.
    • Aspirin also reduces endothelial cell production of prostacyclin, an inhibitor of platelet aggregation and a vasodilator.


1970s: from prostaglandin + cyclic + -in1.

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Pronunciation: skəʊʃ
a small amount; a little