The statocyst is a balance organ present in some aquatic invertebrates (Cnidarians, Ctenophores, Bilaterians). It consists of a sac-like structure containing a mineralised mass and ...
noun Zoology. (in certain invertebrates) a sense organ consisting of a sac enclosing sensory hairs and particles of sand, lime, etc., that functions in maintaining equilibrium ...
noun. Bot. a plant cell containing plastids, starch grains, or other statoliths; Zool. a sense organ found in many invertebrate animals, consisting typically of a fluid-filled sac ...