Pronunciation: sis'ti-ser'kus, -ser'si
The larval form of certain Taenia species, typically found in muscles of mammalian intermediate hosts that serve as a prey of various predators; it consists of a fluid-filled bladder in which the invaginated cestode scolex develops.
[G. kystis, bladder, + kerkos, tail]
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Examples: glitazone, GI cocktail, etc.