prostacyclin(redirected from PGI 2)
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A prostaglandin produced in the walls of blood vessels that acts as a vasodilator and inhibits platelet aggregation.
(Biochemistry) biochem any of several prostaglandins produced in the blood vessels, causing vasodilation and inhibiting platelet aggregation
pros•ta•cy•clin(ˌprɒs təˈsaɪ klɪn)
a prostaglandin, C20H32O5, that specifically inhibits the formation of blood clots.