[ pros-tuh-sahy-klin ]
/ ˌprɒs təˈsaɪ klɪn /

noun Biochemistry.

a prostaglandin, C20H32O5, that specifically inhibits the formation of blood clots.

Origin of prostacyclin

1975–80; prosta(te) + cycl(ic) + -in2, on the model of prostaglandin Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for prostacyclin

[ prŏs′tə-sīklĭn ]


A prostaglandin produced in the walls of blood vessels that acts as a vasodilator and inhibits platelet aggregation.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.