prostacyclin (ËprÉstÉËsaÉªklÉªn) n (Biochemistry) biochem any of several prostaglandins produced in the blood vessels, causing vasodilation and inhibiting platelet aggregation. prosâ¢taâ¢cyâ¢clin (ËprÉs tÉËsaÉª klÉªn) n. a prostaglandin, C20H32O5, that specifically inhibits the formation of blood clots.
This article is about the animal. For other uses, see Otter (disambiguation). Otters are carnivorous mammals in the subfamily Lutrinae. The 13 extant otter species are all semiaquatic, aquatic or marine, with diets based on fish and invertebrates. Lutrinae is a branch of the weasel family Mustelidae, which also includes badgers, honey badgers, martens, minks, polecats, and wolverines.
They were the victims of a vicious racist attack. These otters are particularly vicious beasties, with very sharp teeth. He was set upon by a vicious dog. The insurance business suffered from a vicious cycle of boom and bust. He was subjected to the most vicious calumny, but he never complained and never sued. Thesaurus: synonyms and related words