prostacyclin

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Related to PGI 2: prostaglandin, PGD2, PGF2

pros·ta·cy·clin

 (prŏs′tə-sī′klĭn)
n.
A prostaglandin produced in the walls of blood vessels that acts as a vasodilator and inhibits platelet aggregation.

prostacyclin

(ˌprɒstəˈsaɪklɪn)
n
(Biochemistry) biochem any of several prostaglandins produced in the blood vessels, causing vasodilation and inhibiting platelet aggregation

pros•ta•cy•clin

(ˌprɒs təˈsaɪ klɪn)

n.
a prostaglandin, C20H32O5, that specifically inhibits the formation of blood clots.
[1975–80; prosta (te) + cycl (ic) + -in1, on the model of prostaglandin]