Definition of prostacyclin in English:


Line breaks: pros¦ta|cyc¦lin
Pronunciation: /ˌprɒstəˈsʌɪklɪn


[mass noun] Biochemistry
  • A compound of the prostaglandin type produced in arterial walls, which 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